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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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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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return self._tree.get_root_id()
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return self._tree.path2id('')
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return self._tree.path2id(path)
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def final_file_id(self, trans_id):
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# ensure that all children are registered with the transaction
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list(self.iter_tree_children(parent_id))
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def has_named_child(self, by_parent, parent_id, name):
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children = by_parent[parent_id]
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for child in children:
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def _has_named_child(self, name, parent_id, known_children):
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"""Does a parent already have a name child.
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:param name: The searched for name.
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:param parent_id: The parent for which the check is made.
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:param known_children: The already known children. This should have
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been recently obtained from `self.by_parent.get(parent_id)`
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(or will be if None is passed).
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if known_children is None:
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known_children = self.by_parent().get(parent_id, [])
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for child in known_children:
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if self.final_name(child) == name:
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path = self._tree_id_paths[parent_id]
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parent_path = self._tree_id_paths.get(parent_id, None)
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if parent_path is None:
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# No parent... no children
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childpath = joinpath(path, name)
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child_id = self._tree_path_ids.get(childpath)
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child_path = joinpath(parent_path, name)
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child_id = self._tree_path_ids.get(child_path, None)
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if child_id is None:
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return lexists(self._tree.abspath(childpath))
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# Not known by the tree transform yet, check the filesystem
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return osutils.lexists(self._tree.abspath(child_path))
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if self.final_parent(child_id) != parent_id:
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if child_id in self._removed_contents:
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# XXX What about dangling file-ids?
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raise AssertionError('child_id is missing: %s, %s, %s'
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% (name, parent_id, child_id))
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def _available_backup_name(self, name, target_id):
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"""Find an available backup name.
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:param name: The basename of the file.
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:param target_id: The directory trans_id where the backup should
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known_children = self.by_parent().get(target_id, [])
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return osutils.available_backup_name(
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lambda base: self._has_named_child(
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base, target_id, known_children))
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def _parent_loops(self):
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"""No entry should be its own ancestor"""
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def _duplicate_ids(self):
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"""Each inventory id may only be used once"""
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all_ids = self._tree.all_file_ids()
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except errors.UnsupportedOperation:
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# it's okay for non-file-id trees to raise UnsupportedOperation.
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removed_tree_ids = set((self.tree_file_id(trans_id) for trans_id in
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self._removed_id))
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all_ids = self._tree.all_file_ids()
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active_tree_ids = all_ids.difference(removed_tree_ids)
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for trans_id, file_id in self._new_id.iteritems():
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for trans_id, file_id in viewitems(self._new_id):
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if file_id in active_tree_ids:
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old_trans_id = self.trans_id_tree_file_id(file_id)
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path = self._tree.id2path(file_id)
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old_trans_id = self.trans_id_tree_path(path)
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conflicts.append(('duplicate id', old_trans_id, trans_id))
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def _parent_type_conflicts(self, by_parent):
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"""parents must have directory 'contents'."""
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"""Children must have a directory parent"""
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for parent_id, children in by_parent.iteritems():
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if parent_id is ROOT_PARENT:
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if not self._any_contents(children):
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for child in children:
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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
839
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.
852
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
858
versioned file is present.
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# Find the potential orphans, stop if one item should be kept
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for child_tid in self.by_parent()[dir_id]:
863
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:
868
# The child is not versioned
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orphans.append(child_tid)
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# 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"""
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trans_ids = set(self._removed_id)
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trans_ids.update(self._new_id.keys())
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trans_ids.update(self._new_id)
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trans_ids.update(self._removed_contents)
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trans_ids.update(self._new_contents.keys())
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trans_ids.update(self._new_executability.keys())
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trans_ids.update(self._new_name.keys())
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trans_ids.update(self._new_parent.keys())
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trans_ids.update(self._new_contents)
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trans_ids.update(self._new_executability)
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trans_ids.update(self._new_name)
885
trans_ids.update(self._new_parent)
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def _get_file_id_maps(self):
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989
to_path = final_paths.get_path(to_trans_id)
991
from_name, from_parent, from_kind, from_executable = \
992
self._from_file_data(from_trans_id, from_versioned, from_path)
994
to_name, to_parent, to_kind, to_executable = \
995
self._to_file_data(to_trans_id, from_trans_id, from_executable)
904
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if from_kind != to_kind:
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elif to_kind in ('file', 'symlink') and (
907
to_trans_id != from_trans_id or
908
to_trans_id in self._new_contents):
1000
to_trans_id != from_trans_id
1001
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):
1003
if (not modified and from_versioned == to_versioned
1004
and from_parent == to_parent and from_name == to_name
1005
and from_executable == to_executable):
914
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]))
1009
file_id, (from_path, to_path), modified,
1010
(from_versioned, to_versioned),
1011
(from_parent, to_parent),
1012
(from_name, to_name),
1013
(from_kind, to_kind),
1014
(from_executable, to_executable)))
1017
return (c.path[0] or '', c.path[1] or '')
1018
return iter(sorted(results, key=path_key))
922
1020
def get_preview_tree(self):
923
1021
"""Return a tree representing the result of the transform.
965
1084
return revision_id
967
1086
def _text_parent(self, trans_id):
968
file_id = self.tree_file_id(trans_id)
1087
path = self.tree_path(trans_id)
970
if file_id is None or self._tree.kind(file_id) != 'file':
1089
if path is None or self._tree.kind(path) != 'file':
972
1091
except errors.NoSuchFile:
976
1095
def _get_parents_texts(self, trans_id):
977
1096
"""Get texts for compression parents of this file."""
978
file_id = self._text_parent(trans_id)
1097
path = self._text_parent(trans_id)
981
return (self._tree.get_file_text(file_id),)
1100
return (self._tree.get_file_text(path),)
983
1102
def _get_parents_lines(self, trans_id):
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1103
"""Get lines for compression parents of this file."""
985
file_id = self._text_parent(trans_id)
1104
path = self._text_parent(trans_id)
988
return (self._tree.get_file_lines(file_id),)
1107
return (self._tree.get_file_lines(path),)
990
1109
def serialize(self, serializer):
991
1110
"""Serialize this TreeTransform.
993
1112
: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())
1114
new_name = {k.encode('utf-8'): v.encode('utf-8')
1115
for k, v in viewitems(self._new_name)}
1116
new_parent = {k.encode('utf-8'): v.encode('utf-8')
1117
for k, v in viewitems(self._new_parent)}
1118
new_id = {k.encode('utf-8'): v
1119
for k, v in viewitems(self._new_id)}
1120
new_executability = {k.encode('utf-8'): int(v)
1121
for k, v in viewitems(self._new_executability)}
1122
tree_path_ids = {k.encode('utf-8'): v.encode('utf-8')
1123
for k, v in viewitems(self._tree_path_ids)}
1124
non_present_ids = {k: v.encode('utf-8')
1125
for k, v in viewitems(self._non_present_ids)}
1126
removed_contents = [trans_id.encode('utf-8')
1127
for trans_id in self._removed_contents]
1128
removed_id = [trans_id.encode('utf-8')
1129
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,
1131
b'_id_number': self._id_number,
1132
b'_new_name': new_name,
1133
b'_new_parent': new_parent,
1134
b'_new_executability': new_executability,
1136
b'_tree_path_ids': tree_path_ids,
1137
b'_removed_id': removed_id,
1138
b'_removed_contents': removed_contents,
1139
b'_non_present_ids': non_present_ids,
1012
1141
yield serializer.bytes_record(bencode.bencode(attribs),
1014
for trans_id, kind in self._new_contents.items():
1143
for trans_id, kind in sorted(viewitems(self._new_contents)):
1015
1144
if kind == 'file':
1016
lines = osutils.chunks_to_lines(
1017
self._read_file_chunks(trans_id))
1145
with open(self._limbo_name(trans_id), 'rb') as cur_file:
1146
lines = cur_file.readlines()
1018
1147
parents = self._get_parents_lines(trans_id)
1019
1148
mpdiff = multiparent.MultiParent.from_lines(lines, parents)
1020
content = ''.join(mpdiff.to_patch())
1149
content = b''.join(mpdiff.to_patch())
1021
1150
if kind == 'directory':
1023
1152
if kind == 'symlink':
1024
1153
content = self._read_symlink_target(trans_id)
1025
yield serializer.bytes_record(content, ((trans_id, kind),))
1154
if not isinstance(content, bytes):
1155
content = content.encode('utf-8')
1156
yield serializer.bytes_record(
1157
content, ((trans_id.encode('utf-8'), kind.encode('ascii')),))
1027
1159
def deserialize(self, records):
1028
1160
"""Deserialize a stored TreeTransform.
1030
1162
:param records: An iterable of (names, content) tuples, as per
1031
1163
pack.ContainerPushParser.
1033
names, content = records.next()
1165
names, content = next(records)
1034
1166
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())
1167
self._id_number = attribs[b'_id_number']
1168
self._new_name = {k.decode('utf-8'): v.decode('utf-8')
1169
for k, v in viewitems(attribs[b'_new_name'])}
1170
self._new_parent = {k.decode('utf-8'): v.decode('utf-8')
1171
for k, v in viewitems(attribs[b'_new_parent'])}
1172
self._new_executability = {
1173
k.decode('utf-8'): bool(v)
1174
for k, v in viewitems(attribs[b'_new_executability'])}
1175
self._new_id = {k.decode('utf-8'): v
1176
for k, v in viewitems(attribs[b'_new_id'])}
1177
self._r_new_id = {v: k for k, v in viewitems(self._new_id)}
1043
1178
self._tree_path_ids = {}
1044
1179
self._tree_id_paths = {}
1045
for bytepath, trans_id in attribs['_tree_path_ids'].items():
1180
for bytepath, trans_id in viewitems(attribs[b'_tree_path_ids']):
1046
1181
path = bytepath.decode('utf-8')
1182
trans_id = trans_id.decode('utf-8')
1047
1183
self._tree_path_ids[path] = trans_id
1048
1184
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']
1185
self._removed_id = {trans_id.decode('utf-8')
1186
for trans_id in attribs[b'_removed_id']}
1187
self._removed_contents = set(
1188
trans_id.decode('utf-8')
1189
for trans_id in attribs[b'_removed_contents'])
1190
self._non_present_ids = {
1191
k: v.decode('utf-8')
1192
for k, v in viewitems(attribs[b'_non_present_ids'])}
1052
1193
for ((trans_id, kind),), content in records:
1194
trans_id = trans_id.decode('utf-8')
1195
kind = kind.decode('ascii')
1053
1196
if kind == 'file':
1054
1197
mpdiff = multiparent.MultiParent.from_patch(content)
1055
1198
lines = mpdiff.to_lines(self._get_parents_texts(trans_id))
1059
1202
if kind == 'symlink':
1060
1203
self.create_symlink(content.decode('utf-8'), trans_id)
1205
def create_file(self, contents, trans_id, mode_id=None, sha1=None):
1206
"""Schedule creation of a new file.
1210
:param contents: an iterator of strings, all of which will be written
1211
to the target destination.
1212
:param trans_id: TreeTransform handle
1213
:param mode_id: If not None, force the mode of the target file to match
1214
the mode of the object referenced by mode_id.
1215
Otherwise, we will try to preserve mode bits of an existing file.
1216
:param sha1: If the sha1 of this content is already known, pass it in.
1217
We can use it to prevent future sha1 computations.
1219
raise NotImplementedError(self.create_file)
1221
def create_directory(self, trans_id):
1222
"""Schedule creation of a new directory.
1224
See also new_directory.
1226
raise NotImplementedError(self.create_directory)
1228
def create_symlink(self, target, trans_id):
1229
"""Schedule creation of a new symbolic link.
1231
target is a bytestring.
1232
See also new_symlink.
1234
raise NotImplementedError(self.create_symlink)
1236
def create_hardlink(self, path, trans_id):
1237
"""Schedule creation of a hard link"""
1238
raise NotImplementedError(self.create_hardlink)
1240
def cancel_creation(self, trans_id):
1241
"""Cancel the creation of new file contents."""
1242
raise NotImplementedError(self.cancel_creation)
1063
1245
class DiskTreeTransform(TreeTransformBase):
1064
1246
"""Tree transform storing its contents on disk."""
1066
def __init__(self, tree, limbodir, pb=None,
1067
case_sensitive=True):
1248
def __init__(self, tree, limbodir, pb=None, case_sensitive=True):
1068
1249
"""Constructor.
1069
1250
:param tree: The tree that will be transformed, but not necessarily
1070
1251
the output tree.
1173
1370
descendants.update(self._limbo_descendants(descendant))
1174
1371
return descendants
1176
def create_file(self, contents, trans_id, mode_id=None):
1373
def create_file(self, contents, trans_id, mode_id=None, sha1=None):
1177
1374
"""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.
1378
:param contents: an iterator of strings, all of which will be written
1379
to the target destination.
1380
:param trans_id: TreeTransform handle
1381
:param mode_id: If not None, force the mode of the target file to match
1382
the mode of the object referenced by mode_id.
1383
Otherwise, we will try to preserve mode bits of an existing file.
1384
:param sha1: If the sha1 of this content is already known, pass it in.
1385
We can use it to prevent future sha1 computations.
1187
1387
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.
1388
with open(name, 'wb') as f:
1389
unique_add(self._new_contents, trans_id, 'file')
1199
1390
f.writelines(contents)
1202
1391
self._set_mtime(name)
1203
1392
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()
1393
# It is unfortunate we have to use lstat instead of fstat, but we just
1394
# used utime and chmod on the file, so we need the accurate final
1396
if sha1 is not None:
1397
self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
1212
1399
def _read_symlink_target(self, trans_id):
1213
1400
return os.readlink(self._limbo_name(trans_id))
1274
1467
del self._limbo_children_names[trans_id]
1275
1468
delete_any(self._limbo_name(trans_id))
1470
def new_orphan(self, trans_id, parent_id):
1471
conf = self._tree.get_config_stack()
1472
handle_orphan = conf.get('transform.orphan_policy')
1473
handle_orphan(self, trans_id, parent_id)
1476
class OrphaningError(errors.BzrError):
1478
# Only bugs could lead to such exception being seen by the user
1479
internal_error = True
1480
_fmt = "Error while orphaning %s in %s directory"
1482
def __init__(self, orphan, parent):
1483
errors.BzrError.__init__(self)
1484
self.orphan = orphan
1485
self.parent = parent
1488
class OrphaningForbidden(OrphaningError):
1490
_fmt = "Policy: %s doesn't allow creating orphans."
1492
def __init__(self, policy):
1493
errors.BzrError.__init__(self)
1494
self.policy = policy
1497
def move_orphan(tt, orphan_id, parent_id):
1498
"""See TreeTransformBase.new_orphan.
1500
This creates a new orphan in the `brz-orphans` dir at the root of the
1503
:param tt: The TreeTransform orphaning `trans_id`.
1505
:param orphan_id: The trans id that should be orphaned.
1507
:param parent_id: The orphan parent trans id.
1509
# Add the orphan dir if it doesn't exist
1510
orphan_dir_basename = 'brz-orphans'
1511
od_id = tt.trans_id_tree_path(orphan_dir_basename)
1512
if tt.final_kind(od_id) is None:
1513
tt.create_directory(od_id)
1514
parent_path = tt._tree_id_paths[parent_id]
1515
# Find a name that doesn't exist yet in the orphan dir
1516
actual_name = tt.final_name(orphan_id)
1517
new_name = tt._available_backup_name(actual_name, od_id)
1518
tt.adjust_path(new_name, od_id, orphan_id)
1519
trace.warning('%s has been orphaned in %s'
1520
% (joinpath(parent_path, actual_name), orphan_dir_basename))
1523
def refuse_orphan(tt, orphan_id, parent_id):
1524
"""See TreeTransformBase.new_orphan.
1526
This refuses to create orphan, letting the caller handle the conflict.
1528
raise OrphaningForbidden('never')
1531
orphaning_registry = registry.Registry()
1532
orphaning_registry.register(
1533
u'conflict', refuse_orphan,
1534
'Leave orphans in place and create a conflict on the directory.')
1535
orphaning_registry.register(
1536
u'move', move_orphan,
1537
'Move orphans into the brz-orphans directory.')
1538
orphaning_registry._set_default_key(u'conflict')
1541
opt_transform_orphan = _mod_config.RegistryOption(
1542
'transform.orphan_policy', orphaning_registry,
1543
help='Policy for orphaned files during transform operations.',
1278
1547
class TreeTransform(DiskTreeTransform):
1279
1548
"""Represent a tree transformation.
1656
1912
new_paths = self.new_paths(filesystem_only=True)
1657
1913
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()
1914
with ui.ui_factory.nested_progress_bar() as child_pb:
1662
1915
for num, (path, trans_id) in enumerate(new_paths):
1663
1916
if (num % 10) == 0:
1664
child_pb.update('adding file', num, len(new_paths))
1917
child_pb.update(gettext('adding file'),
1918
num, len(new_paths))
1665
1919
full_path = self._tree.abspath(path)
1666
1920
if trans_id in self._needs_rename:
1668
1922
mover.rename(self._limbo_name(trans_id), full_path)
1923
except errors.TransformRenameFailed as e:
1670
1924
# We may be renaming a dangling inventory id
1671
1925
if e.errno != errno.ENOENT:
1674
1928
self.rename_count += 1
1675
if (trans_id in self._new_contents or
1676
self.path_changed(trans_id)):
1929
# TODO: if trans_id in self._observed_sha1s, we should
1930
# re-stat the final target, since ctime will be
1931
# updated by the change.
1932
if (trans_id in self._new_contents
1933
or self.path_changed(trans_id)):
1677
1934
if trans_id in self._new_contents:
1678
1935
modified_paths.append(full_path)
1679
1936
if trans_id in self._new_executability:
1680
1937
self._set_executability(path, trans_id)
1938
if trans_id in self._observed_sha1s:
1939
o_sha1, o_st_val = self._observed_sha1s[trans_id]
1940
st = osutils.lstat(full_path)
1941
self._observed_sha1s[trans_id] = (o_sha1, st)
1942
for path, trans_id in new_paths:
1943
# new_paths includes stuff like workingtree conflicts. Only the
1944
# stuff in new_contents actually comes from limbo.
1945
if trans_id in self._limbo_files:
1946
del self._limbo_files[trans_id]
1683
1947
self._new_contents.clear()
1684
1948
return modified_paths
1950
def _apply_observed_sha1s(self):
1951
"""After we have finished renaming everything, update observed sha1s
1953
This has to be done after self._tree.apply_inventory_delta, otherwise
1954
it doesn't know anything about the files we are updating. Also, we want
1955
to do this as late as possible, so that most entries end up cached.
1957
# TODO: this doesn't update the stat information for directories. So
1958
# the first 'bzr status' will still need to rewrite
1959
# .bzr/checkout/dirstate. However, we at least don't need to
1960
# re-read all of the files.
1961
# TODO: If the operation took a while, we could do a time.sleep(3) here
1962
# to allow the clock to tick over and ensure we won't have any
1963
# problems. (we could observe start time, and finish time, and if
1964
# it is less than eg 10% overhead, add a sleep call.)
1965
paths = FinalPaths(self)
1966
for trans_id, observed in viewitems(self._observed_sha1s):
1967
path = paths.get_path(trans_id)
1968
self._tree._observed_sha1(path, observed)
1687
1971
class TransformPreview(DiskTreeTransform):
1688
1972
"""A TreeTransform for generating preview trees.
1795
2088
executable = False
1797
2090
file_id = self._transform.final_file_id(self._path2trans_id(path))
1798
executable = self.is_executable(file_id, path)
2091
executable = self.is_executable(path)
1799
2092
return kind, executable, None
2094
def is_locked(self):
1801
2097
def lock_read(self):
1802
2098
# Perhaps in theory, this should lock the TreeTransform?
2099
return lock.LogicalLockResult(self.unlock)
1805
2101
def unlock(self):
1809
def inventory(self):
2105
def root_inventory(self):
1810
2106
"""This Tree does not use inventory as its backing data."""
1811
raise NotImplementedError(_PreviewTree.inventory)
1813
def get_root_id(self):
1814
return self._transform.final_file_id(self._transform.root)
2107
raise NotImplementedError(_PreviewTree.root_inventory)
1816
2109
def all_file_ids(self):
1817
2110
tree_ids = set(self._transform._tree.all_file_ids())
1818
2111
tree_ids.difference_update(self._transform.tree_file_id(t)
1819
2112
for t in self._transform._removed_id)
1820
tree_ids.update(self._transform._new_id.values())
2113
tree_ids.update(viewvalues(self._transform._new_id))
1821
2114
return tree_ids
1824
return iter(self.all_file_ids())
1826
def _has_id(self, file_id, fallback_check):
1827
if file_id in self._transform._r_new_id:
1829
elif file_id in set([self._transform.tree_file_id(trans_id) for
1830
trans_id in self._transform._removed_id]):
1833
return fallback_check(file_id)
1835
def has_id(self, file_id):
1836
return self._has_id(file_id, self._transform._tree.has_id)
1838
def has_or_had_id(self, file_id):
1839
return self._has_id(file_id, self._transform._tree.has_or_had_id)
2116
def all_versioned_paths(self):
2117
tree_paths = set(self._transform._tree.all_versioned_paths())
2119
tree_paths.difference_update(
2120
self._transform.trans_id_tree_path(t)
2121
for t in self._transform._removed_id)
2124
self._final_paths._determine_path(t)
2125
for t in self._transform._new_id)
1841
2129
def _path2trans_id(self, path):
1842
2130
# We must not use None here, because that is a valid value to store.
1937
2236
ordered_ids = self._list_files_by_dir()
1938
2237
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
2239
yield self._final_paths.get_path(trans_id), entry
1942
2241
def _iter_entries_for_dir(self, dir_path):
1943
2242
"""Return path, entry for items in a directory without recursing down."""
1944
dir_file_id = self.path2id(dir_path)
1945
2243
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))
2244
dir_trans_id = self._path2trans_id(dir_path)
2245
dir_id = self._transform.final_file_id(dir_trans_id)
2246
for child_trans_id in self._all_children(dir_trans_id):
2247
ordered_ids.append((child_trans_id, dir_id))
1949
2249
for entry, trans_id in self._make_inv_entries(ordered_ids):
1950
yield unicode(self._final_paths.get_path(trans_id)), entry
2250
path_entries.append((self._final_paths.get_path(trans_id), entry))
1952
def list_files(self, include_root=False, from_dir=None, recursive=True):
2254
def list_files(self, include_root=False, from_dir=None, recursive=True,
2255
recurse_nested=False):
1953
2256
"""See WorkingTree.list_files."""
2258
raise NotImplementedError(
2259
'follow tree references not yet supported')
1954
2261
# XXX This should behave like WorkingTree.list_files, but is really
1955
2262
# more like RevisionTree.list_files.
1965
2274
if not path.startswith(prefix):
1967
2276
path = path[len(prefix):]
1968
yield path, 'V', entry.kind, entry.file_id, entry
2277
yield path, 'V', entry.kind, entry
1970
2279
if from_dir is None and include_root is True:
1971
root_entry = inventory.make_entry('directory', '',
1972
ROOT_PARENT, self.get_root_id())
1973
yield '', 'V', 'directory', root_entry.file_id, root_entry
2280
root_entry = inventory.make_entry(
2281
'directory', '', ROOT_PARENT, self.path2id(''))
2282
yield '', 'V', 'directory', root_entry
1974
2283
entries = self._iter_entries_for_dir(from_dir or '')
1975
2284
for path, entry in entries:
1976
yield path, 'V', entry.kind, entry.file_id, entry
2285
yield path, 'V', entry.kind, entry
1978
def kind(self, file_id):
1979
trans_id = self._transform.trans_id_file_id(file_id)
2287
def kind(self, path):
2288
trans_id = self._path2trans_id(path)
2289
if trans_id is None:
2290
raise errors.NoSuchFile(path)
1980
2291
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)
2293
def stored_kind(self, path):
2294
trans_id = self._path2trans_id(path)
2295
if trans_id is None:
2296
raise errors.NoSuchFile(path)
1985
2298
return self._transform._new_contents[trans_id]
1986
2299
except KeyError:
1987
return self._transform._tree.stored_kind(file_id)
2300
return self._transform._tree.stored_kind(path)
1989
def get_file_mtime(self, file_id, path=None):
2302
def get_file_mtime(self, path):
1990
2303
"""See Tree.get_file_mtime"""
2304
file_id = self.path2id(path)
2306
raise errors.NoSuchFile(path)
1991
2307
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):
2308
return self._transform._tree.get_file_mtime(
2309
self._transform._tree.id2path(file_id))
2310
trans_id = self._path2trans_id(path)
2311
return self._stat_limbo_file(trans_id).st_mtime
2313
def get_file_size(self, path):
1999
2314
"""See Tree.get_file_size"""
2000
if self.kind(file_id) == 'file':
2001
return self._transform._tree.get_file_size(file_id)
2315
trans_id = self._path2trans_id(path)
2316
if trans_id is None:
2317
raise errors.NoSuchFile(path)
2318
kind = self._transform.final_kind(trans_id)
2321
if trans_id in self._transform._new_contents:
2322
return self._stat_limbo_file(trans_id).st_size
2323
if self.kind(path) == 'file':
2324
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)
2328
def get_file_verifier(self, path, stat_value=None):
2329
trans_id = self._path2trans_id(path)
2330
if trans_id is None:
2331
raise errors.NoSuchFile(path)
2332
kind = self._transform._new_contents.get(trans_id)
2334
return self._transform._tree.get_file_verifier(path)
2336
with self.get_file(path) as fileobj:
2337
return ("SHA1", sha_file(fileobj))
2339
def get_file_sha1(self, path, stat_value=None):
2340
trans_id = self._path2trans_id(path)
2341
if trans_id is None:
2342
raise errors.NoSuchFile(path)
2343
kind = self._transform._new_contents.get(trans_id)
2345
return self._transform._tree.get_file_sha1(path)
2347
with self.get_file(path) as fileobj:
2013
2348
return sha_file(fileobj)
2017
def is_executable(self, file_id, path=None):
2350
def get_reference_revision(self, path):
2351
trans_id = self._path2trans_id(path)
2352
if trans_id is None:
2353
raise errors.NoSuchFile(path)
2354
reference_revision = self._transform._new_reference_revision.get(trans_id)
2355
if reference_revision is None:
2356
return self._transform._tree.get_reference_revision(path)
2357
return reference_revision
2359
def is_executable(self, path):
2360
trans_id = self._path2trans_id(path)
2361
if trans_id is None:
2020
trans_id = self._transform.trans_id_file_id(file_id)
2022
2364
return self._transform._new_executability[trans_id]
2023
2365
except KeyError:
2025
return self._transform._tree.is_executable(file_id, path)
2367
return self._transform._tree.is_executable(path)
2368
except OSError as e:
2027
2369
if e.errno == errno.ENOENT:
2030
except errors.NoSuchId:
2372
except errors.NoSuchFile:
2375
def has_filename(self, path):
2376
trans_id = self._path2trans_id(path)
2377
if trans_id in self._transform._new_contents:
2379
elif trans_id in self._transform._removed_contents:
2382
return self._transform._tree.has_filename(path)
2033
2384
def path_content_summary(self, path):
2034
2385
trans_id = self._path2trans_id(path)
2035
2386
tt = self._transform
2081
2434
raise ValueError('want_unversioned is not supported')
2082
2435
return self._transform.iter_changes()
2084
def get_file(self, file_id, path=None):
2437
def get_file(self, path):
2085
2438
"""See Tree.get_file"""
2439
file_id = self.path2id(path)
2086
2440
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)
2441
return self._transform._tree.get_file(path)
2442
trans_id = self._path2trans_id(path)
2089
2443
name = self._transform._limbo_name(trans_id)
2090
2444
return open(name, 'rb')
2092
def get_file_with_stat(self, file_id, path=None):
2093
return self.get_file(file_id, path), None
2446
def get_file_with_stat(self, path):
2447
return self.get_file(path), None
2095
def annotate_iter(self, file_id,
2449
def annotate_iter(self, path,
2096
2450
default_revision=_mod_revision.CURRENT_REVISION):
2451
file_id = self.path2id(path)
2097
2452
changes = self._iter_changes_cache.get(file_id)
2098
2453
if changes is None:
2101
changed_content, versioned, kind = (changes[2], changes[3],
2456
changed_content, versioned, kind = (
2457
changes.changed_content, changes.versioned, changes.kind)
2103
2458
if kind[1] is None:
2105
2460
get_old = (kind[0] == 'file' and versioned[0])
2107
old_annotation = self._transform._tree.annotate_iter(file_id,
2108
default_revision=default_revision)
2462
old_annotation = self._transform._tree.annotate_iter(
2463
path, default_revision=default_revision)
2110
2465
old_annotation = []
2111
2466
if changes is None:
2243
2593
:param delta_from_tree: If true, build_tree may use the input Tree to
2244
2594
generate the inventory delta.
2246
wt.lock_tree_write()
2250
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()
2596
with cleanup.ExitStack() as exit_stack:
2597
exit_stack.enter_context(wt.lock_tree_write())
2598
exit_stack.enter_context(tree.lock_read())
2599
if accelerator_tree is not None:
2600
exit_stack.enter_context(accelerator_tree.lock_read())
2601
return _build_tree(tree, wt, accelerator_tree, hardlink,
2264
2605
def _build_tree(tree, wt, accelerator_tree, hardlink, delta_from_tree):
2265
2606
"""See build_tree."""
2266
for num, _unused in enumerate(wt.all_file_ids()):
2607
for num, _unused in enumerate(wt.all_versioned_paths()):
2267
2608
if num > 0: # more than just a root
2268
2609
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
2610
file_trans_id = {}
2273
top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2611
top_pb = ui.ui_factory.nested_progress_bar()
2274
2612
pp = ProgressPhase("Build phase", 2, top_pb)
2275
if tree.inventory.root is not None:
2613
if tree.path2id('') is not None:
2276
2614
# This is kind of a hack: we should be altering the root
2277
2615
# as part of the regular tree shape diff logic.
2278
2616
# The conditional test here is to avoid doing an
2280
2618
# is set within the tree, nor setting the root and thus
2281
2619
# marking the tree as dirty, because we use two different
2282
2620
# idioms here: tree interfaces and inventory interfaces.
2283
if wt.get_root_id() != tree.get_root_id():
2284
wt.set_root_id(tree.get_root_id())
2621
if wt.path2id('') != tree.path2id(''):
2622
wt.set_root_id(tree.path2id(''))
2286
tt = TreeTransform(wt)
2624
tt = wt.get_transform()
2289
2627
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()
2628
file_trans_id[wt.path2id('')] = tt.trans_id_tree_path('')
2629
with ui.ui_factory.nested_progress_bar() as pb:
2294
2630
deferred_contents = []
2296
total = len(tree.inventory)
2632
total = len(tree.all_versioned_paths())
2297
2633
if delta_from_tree:
2298
2634
precomputed_delta = []
2300
2636
precomputed_delta = None
2637
# Check if tree inventory has content. If so, we populate
2638
# existing_files with the directory content. If there are no
2639
# entries we skip populating existing_files as its not used.
2640
# This improves performance and unncessary work on large
2641
# directory trees. (#501307)
2643
existing_files = set()
2644
for dir, files in wt.walkdirs():
2645
existing_files.update(f[0] for f in files)
2301
2646
for num, (tree_path, entry) in \
2302
enumerate(tree.inventory.iter_entries_by_dir()):
2303
pb.update("Building tree", num - len(deferred_contents), total)
2647
enumerate(tree.iter_entries_by_dir()):
2648
pb.update(gettext("Building tree"), num
2649
- len(deferred_contents), total)
2304
2650
if entry.parent_id is None:
2306
2652
reparent = False
2376
2723
new_desired_files = desired_files
2378
2725
iter = accelerator_tree.iter_changes(tree, include_unchanged=True)
2379
unchanged = [(f, p[1]) for (f, p, c, v, d, n, k, e)
2380
in iter if not (c or e[0] != e[1])]
2727
change.path for change in iter
2728
if not (change.changed_content or change.executable[0] != change.executable[1])]
2381
2729
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()]
2730
unchanged = [(tp, ap) for (tp, ap) in unchanged
2731
if not next(accelerator_tree.iter_search_rules([ap]))]
2384
2732
unchanged = dict(unchanged)
2385
2733
new_desired_files = []
2387
for file_id, (trans_id, tree_path) in desired_files:
2388
accelerator_path = unchanged.get(file_id)
2735
for unused_tree_path, (trans_id, file_id, tree_path, text_sha1) in desired_files:
2736
accelerator_path = unchanged.get(tree_path)
2389
2737
if accelerator_path is None:
2390
new_desired_files.append((file_id, (trans_id, tree_path)))
2738
new_desired_files.append((tree_path,
2739
(trans_id, file_id, tree_path, text_sha1)))
2392
pb.update('Adding file contents', count + offset, total)
2741
pb.update(gettext('Adding file contents'), count + offset, total)
2394
2743
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
2746
with accelerator_tree.get_file(accelerator_path) as f:
2747
chunks = osutils.file_iterator(f)
2748
if wt.supports_content_filtering():
2749
filters = wt._content_filter_stack(tree_path)
2750
chunks = filtered_output_bytes(chunks, filters,
2751
ContentFilterContext(tree_path, tree))
2752
tt.create_file(chunks, trans_id, sha1=text_sha1)
2411
2754
offset += count
2412
for count, ((trans_id, tree_path), contents) in enumerate(
2755
for count, ((trans_id, file_id, tree_path, text_sha1), contents) in enumerate(
2413
2756
tree.iter_files_bytes(new_desired_files)):
2414
2757
if wt.supports_content_filtering():
2415
2758
filters = wt._content_filter_stack(tree_path)
2416
2759
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)
2760
ContentFilterContext(tree_path, tree))
2761
tt.create_file(contents, trans_id, sha1=text_sha1)
2762
pb.update(gettext('Adding file contents'), count + offset, total)
2422
2765
def _reparent_children(tt, old_parent, new_parent):
2423
2766
for child in tt.iter_tree_children(old_parent):
2424
2767
tt.adjust_path(tt.final_name(child), new_parent, child)
2426
2770
def _reparent_transform_children(tt, old_parent, new_parent):
2427
2771
by_parent = tt.by_parent()
2428
2772
for child in by_parent[old_parent]:
2429
2773
tt.adjust_path(tt.final_name(child), new_parent, child)
2430
2774
return by_parent[old_parent]
2432
def _content_match(tree, entry, file_id, kind, target_path):
2777
def _content_match(tree, entry, tree_path, kind, target_path):
2433
2778
if entry.kind != kind:
2435
2780
if entry.kind == "directory":
2437
2782
if entry.kind == "file":
2438
if tree.get_file(file_id).read() == file(target_path, 'rb').read():
2783
with open(target_path, 'rb') as f1, \
2784
tree.get_file(tree_path) as f2:
2785
if osutils.compare_files(f1, f2):
2440
2787
elif entry.kind == "symlink":
2441
if tree.get_symlink_target(file_id) == os.readlink(target_path):
2788
if tree.get_symlink_target(tree_path) == os.readlink(target_path):
2462
2809
final_parent = tt.final_parent(old_file)
2463
2810
if new_file in divert:
2464
new_name = tt.final_name(old_file)+'.diverted'
2811
new_name = tt.final_name(old_file) + '.diverted'
2465
2812
tt.adjust_path(new_name, final_parent, new_file)
2466
2813
new_conflicts.add((c_type, 'Diverted to',
2467
2814
new_file, old_file))
2469
new_name = tt.final_name(old_file)+'.moved'
2816
new_name = tt.final_name(old_file) + '.moved'
2470
2817
tt.adjust_path(new_name, final_parent, old_file)
2471
2818
new_conflicts.add((c_type, 'Moved existing file to',
2472
2819
old_file, new_file))
2473
2820
return new_conflicts
2476
def new_by_entry(tt, entry, parent_id, tree):
2823
def new_by_entry(path, tt, entry, parent_id, tree):
2477
2824
"""Create a new file according to its inventory entry"""
2478
2825
name = entry.name
2479
2826
kind = entry.kind
2480
2827
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,
2828
with tree.get_file(path) as f:
2829
executable = tree.is_executable(path)
2831
name, parent_id, osutils.file_iterator(f), entry.file_id,
2485
2833
elif kind in ('directory', 'tree-reference'):
2486
2834
trans_id = tt.new_directory(name, parent_id, entry.file_id)
2487
2835
if kind == 'tree-reference':
2488
2836
tt.set_tree_reference(entry.reference_revision, trans_id)
2489
2837
return trans_id
2490
2838
elif kind == 'symlink':
2491
target = tree.get_symlink_target(entry.file_id)
2839
target = tree.get_symlink_target(path)
2492
2840
return tt.new_symlink(name, parent_id, target, entry.file_id)
2494
2842
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):
2845
def create_from_tree(tt, trans_id, tree, path, chunks=None,
2846
filter_tree_path=None):
2515
2847
"""Create new file contents according to tree contents.
2517
2849
:param filter_tree_path: the tree path to use to lookup
2518
2850
content filters to apply to the bytes output in the working tree.
2519
2851
This only applies if the working tree supports content filtering.
2521
kind = tree.kind(file_id)
2853
kind = tree.kind(path)
2522
2854
if kind == 'directory':
2523
2855
tt.create_directory(trans_id)
2524
2856
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)
2858
f = tree.get_file(path)
2859
chunks = osutils.file_iterator(f)
2864
if wt.supports_content_filtering() and filter_tree_path is not None:
2865
filters = wt._content_filter_stack(filter_tree_path)
2866
chunks = filtered_output_bytes(
2868
ContentFilterContext(filter_tree_path, tree))
2869
tt.create_file(chunks, trans_id)
2537
2873
elif kind == "symlink":
2538
tt.create_symlink(tree.get_symlink_target(file_id), trans_id)
2874
tt.create_symlink(tree.get_symlink_target(path), trans_id)
2540
2876
raise AssertionError('Unknown kind %r' % kind)
2546
2882
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
2885
def revert(working_tree, target_tree, filenames, backups=False,
2593
2886
pb=None, change_reporter=None):
2594
2887
"""Revert a working tree's contents to those of a target tree."""
2595
target_tree.lock_read()
2596
2888
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)
2890
with target_tree.lock_read(), working_tree.get_transform(pb) as tt:
2891
pp = ProgressPhase("Revert phase", 3, pb)
2892
conflicts, merge_modified = _prepare_revert_transform(
2893
working_tree, target_tree, tt, filenames, backups, pp)
2895
change_reporter = delta._ChangeReporter(
2896
unversioned_filter=working_tree.is_ignored)
2897
delta.report_changes(tt.iter_changes(), change_reporter)
2898
for conflict in conflicts:
2899
trace.warning(text_type(conflict))
2902
if working_tree.supports_merge_modified():
2903
working_tree.set_merge_modified(merge_modified)
2612
target_tree.unlock()
2615
2906
return conflicts
2641
2926
backups, merge_modified, basis_tree=None):
2642
2927
if basis_tree is not None:
2643
2928
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:
2929
# We ask the working_tree for its changes relative to the target, rather
2930
# than the target changes relative to the working tree. Because WT4 has an
2931
# optimizer to compare itself to a target, but no optimizer for the
2933
change_list = working_tree.iter_changes(
2934
target_tree, specific_files=specific_files, pb=pb)
2935
if not target_tree.is_versioned(u''):
2647
2936
skip_root = True
2649
2938
skip_root = False
2651
2940
deferred_files = []
2652
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:
2941
for id_num, change in enumerate(change_list):
2942
file_id = change.file_id
2943
target_path, wt_path = change.path
2944
target_versioned, wt_versioned = change.versioned
2945
target_parent, wt_parent = change.parent_id
2946
target_name, wt_name = change.name
2947
target_kind, wt_kind = change.kind
2948
target_executable, wt_executable = change.executable
2949
if skip_root and wt_parent is None:
2656
2951
trans_id = tt.trans_id_file_id(file_id)
2953
if change.changed_content:
2659
2954
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)
2662
if merge_modified.get(file_id) != wt_sha1:
2955
if wt_kind == 'file' and (backups or target_kind is None):
2956
wt_sha1 = working_tree.get_file_sha1(wt_path)
2957
if merge_modified.get(wt_path) != wt_sha1:
2663
2958
# acquire the basis tree lazily to prevent the
2664
2959
# expense of accessing it when it's not needed ?
2665
2960
# (Guessing, RBC, 200702)
2666
2961
if basis_tree is None:
2667
2962
basis_tree = working_tree.basis_tree()
2668
2963
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:
2964
basis_inter = InterTree.get(basis_tree, working_tree)
2965
basis_path = basis_inter.find_source_path(wt_path)
2966
if basis_path is None:
2967
if target_kind is None and not target_versioned:
2970
if wt_sha1 != basis_tree.get_file_sha1(basis_path):
2972
if wt_kind is not None:
2675
2973
if not keep_content:
2676
2974
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)
2975
elif target_kind is not None:
2976
parent_trans_id = tt.trans_id_file_id(wt_parent)
2977
backup_name = tt._available_backup_name(
2978
wt_name, parent_trans_id)
2682
2979
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):
2980
new_trans_id = tt.create_path(wt_name, parent_trans_id)
2981
if wt_versioned and target_versioned:
2685
2982
tt.unversion_file(trans_id)
2686
2983
tt.version_file(file_id, new_trans_id)
2687
2984
# New contents should have the same unix perms as old
2689
2986
mode_id = trans_id
2690
2987
trans_id = new_trans_id
2691
if kind[1] in ('directory', 'tree-reference'):
2988
if target_kind in ('directory', 'tree-reference'):
2692
2989
tt.create_directory(trans_id)
2693
if kind[1] == 'tree-reference':
2694
revision = target_tree.get_reference_revision(file_id,
2990
if target_kind == 'tree-reference':
2991
revision = target_tree.get_reference_revision(
2696
2993
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)))
2994
elif target_kind == 'symlink':
2995
tt.create_symlink(target_tree.get_symlink_target(
2996
target_path), trans_id)
2997
elif target_kind == 'file':
2998
deferred_files.append(
2999
(target_path, (trans_id, mode_id, file_id)))
2702
3000
if basis_tree is None:
2703
3001
basis_tree = working_tree.basis_tree()
2704
3002
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)):
2708
if file_id in merge_modified:
2709
del merge_modified[file_id]
3003
new_sha1 = target_tree.get_file_sha1(target_path)
3004
basis_inter = InterTree.get(basis_tree, target_tree)
3005
basis_path = basis_inter.find_source_path(target_path)
3006
if (basis_path is not None and
3007
new_sha1 == basis_tree.get_file_sha1(basis_path)):
3008
# If the new contents of the file match what is in basis,
3009
# then there is no need to store in merge_modified.
3010
if basis_path in merge_modified:
3011
del merge_modified[basis_path]
2711
merge_modified[file_id] = new_sha1
3013
merge_modified[target_path] = new_sha1
2713
3015
# 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):
3016
if keep_content and wt_executable == target_executable:
3017
tt.set_executability(target_executable, trans_id)
3018
elif target_kind is not None:
3019
raise AssertionError(target_kind)
3020
if not wt_versioned and target_versioned:
2719
3021
tt.version_file(file_id, trans_id)
2720
if versioned == (True, False):
3022
if wt_versioned and not target_versioned:
2721
3023
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:
3024
if (target_name is not None
3025
and (wt_name != target_name or wt_parent != target_parent)):
3026
if target_name == '' and target_parent is None:
2725
3027
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)
3029
parent_trans = tt.trans_id_file_id(target_parent)
3030
if wt_parent is None and wt_versioned:
3031
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)
3033
tt.adjust_path(target_name, parent_trans, trans_id)
3034
if wt_executable != target_executable and target_kind == "file":
3035
tt.set_executability(target_executable, trans_id)
2734
3036
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]
3037
for (trans_id, mode_id, file_id), bytes in (
3038
target_tree.iter_files_bytes(deferred_files)):
2738
3039
# We're reverting a tree to the target tree so using the
2739
3040
# target tree to find the file path seems the best choice
2740
3041
# here IMO - Ian C 27/Oct/2009
2741
3042
filter_tree_path = target_tree.id2path(file_id)
2742
3043
filters = working_tree._content_filter_stack(filter_tree_path)
2743
bytes = filtered_output_bytes(bytes, filters,
3044
bytes = filtered_output_bytes(
2744
3046
ContentFilterContext(filter_tree_path, working_tree))
2745
3047
tt.create_file(bytes, trans_id, mode_id)
2747
for (trans_id, mode_id), bytes in target_tree.iter_files_bytes(
3049
for (trans_id, mode_id, file_id), bytes in target_tree.iter_files_bytes(
2749
3051
tt.create_file(bytes, trans_id, mode_id)
2750
3052
tt.fixup_new_roots()
added
removed
breezy/transform.py
