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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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lazy_import.lazy_import(globals(), """
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from bzrlib import (
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revision as _mod_revision,
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from bzrlib.i18n import gettext
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from bzrlib.errors import (DuplicateKey, MalformedTransform,
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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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UnableCreateSymlink)
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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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supports_executable,
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from bzrlib.progress import ProgressPhase
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from bzrlib.symbol_versioning import (
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from bzrlib.trace import mutter, warning
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from bzrlib import tree
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import bzrlib.urlutils as urlutils
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ROOT_PARENT = "root-parent"
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def unique_add(map, key, value):
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raise DuplicateKey(key=key)
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class _TransformResults(object):
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def __init__(self, modified_paths, rename_count):
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object.__init__(self)
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return sorted(FinalPaths(self).get_paths(new_ids))
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def _inventory_altered(self):
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"""Determine which trans_ids need new Inventory entries.
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An new entry is needed when anything that would be reflected by an
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inventory entry changes, including file name, file_id, parent file_id,
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file kind, and the execute bit.
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Some care is taken to return entries with real changes, not cases
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where the value is deleted and then restored to its original value,
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but some actually unchanged values may be returned.
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:returns: A list of (path, trans_id) for all items requiring an
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inventory change. Ordered by path.
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# Find entries whose file_ids are new (or changed).
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new_file_id = set(t for t in self._new_id
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if self._new_id[t] != self.tree_file_id(t))
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for id_set in [self._new_name, self._new_parent, new_file_id,
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"""Get the trans_ids and paths of files needing new inv entries."""
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for id_set in [self._new_name, self._new_parent, self._new_id,
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self._new_executability]:
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changed_ids.update(id_set)
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# removing implies a kind change
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new_ids.update(id_set)
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changed_kind = set(self._removed_contents)
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changed_kind.intersection_update(self._new_contents)
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# Ignore entries that are already known to have changed.
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changed_kind.difference_update(changed_ids)
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# to keep only the truly changed ones
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changed_kind = (t for t in changed_kind
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if self.tree_kind(t) != self.final_kind(t))
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# all kind changes will alter the inventory
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changed_ids.update(changed_kind)
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# To find entries with changed parent_ids, find parents which existed,
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# but changed file_id.
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changed_file_id = set(t for t in new_file_id if t in self._removed_id)
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# Now add all their children to the set.
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for parent_trans_id in new_file_id:
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changed_ids.update(self.iter_tree_children(parent_trans_id))
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return sorted(FinalPaths(self).get_paths(changed_ids))
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changed_kind.difference_update(new_ids)
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changed_kind = (t for t in changed_kind if self.tree_kind(t) !=
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new_ids.update(changed_kind)
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return sorted(FinalPaths(self).get_paths(new_ids))
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def final_kind(self, trans_id):
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"""Determine the final file kind, after any changes applied.
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:return: None if the file does not exist/has no contents. (It is
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conceivable that a path would be created without the corresponding
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contents insertion command)
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Raises NoSuchFile if the file does not exist/has no contents.
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(It is conceivable that a path would be created without the
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corresponding contents insertion command)
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if trans_id in self._new_contents:
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return self._new_contents[trans_id]
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elif trans_id in self._removed_contents:
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raise NoSuchFile(None)
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return self.tree_kind(trans_id)
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# ensure that all children are registered with the transaction
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list(self.iter_tree_children(parent_id))
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@deprecated_method(deprecated_in((2, 3, 0)))
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def has_named_child(self, by_parent, parent_id, name):
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return self._has_named_child(
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name, parent_id, known_children=by_parent.get(parent_id, []))
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def _has_named_child(self, name, parent_id, known_children):
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"""Does a parent already have a name child.
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:param name: The searched for name.
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:param parent_id: The parent for which the check is made.
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:param known_children: The already known children. This should have
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been recently obtained from `self.by_parent.get(parent_id)`
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(or will be if None is passed).
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if known_children is None:
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known_children = self.by_parent().get(parent_id, [])
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for child in known_children:
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children = by_parent[parent_id]
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for child in children:
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if self.final_name(child) == name:
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parent_path = self._tree_id_paths.get(parent_id, None)
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if parent_path is None:
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# No parent... no children
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path = self._tree_id_paths[parent_id]
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child_path = joinpath(parent_path, name)
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child_id = self._tree_path_ids.get(child_path, None)
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childpath = joinpath(path, name)
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child_id = self._tree_path_ids.get(childpath)
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if child_id is None:
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# Not known by the tree transform yet, check the filesystem
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return osutils.lexists(self._tree.abspath(child_path))
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return lexists(self._tree.abspath(childpath))
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raise AssertionError('child_id is missing: %s, %s, %s'
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% (name, parent_id, child_id))
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def _available_backup_name(self, name, target_id):
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"""Find an available backup name.
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:param name: The basename of the file.
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:param target_id: The directory trans_id where the backup should
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known_children = self.by_parent().get(target_id, [])
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return osutils.available_backup_name(
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lambda base: self._has_named_child(
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base, target_id, known_children))
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if self.final_parent(child_id) != parent_id:
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if child_id in self._removed_contents:
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# XXX What about dangling file-ids?
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def _parent_loops(self):
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"""No entry should be its own ancestor"""
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if (self._new_name, self._new_parent) == ({}, {}):
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for children in by_parent.itervalues():
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for child_tid in children:
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name = self.final_name(child_tid)
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# Keep children only if they still exist in the end
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if not self._case_sensitive_target:
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name_ids.append((name, child_tid))
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name_ids = [(self.final_name(t), t) for t in children]
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if not self._case_sensitive_target:
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name_ids = [(n.lower(), t) for n, t in name_ids]
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last_trans_id = None
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for name, trans_id in name_ids:
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kind = self.final_kind(trans_id)
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kind = self.final_kind(trans_id)
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file_id = self.final_file_id(trans_id)
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if kind is None and file_id is None:
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def _parent_type_conflicts(self, by_parent):
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"""Children must have a directory parent"""
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"""parents must have directory 'contents'."""
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for parent_id, children in by_parent.iteritems():
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if parent_id is 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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if not self._any_contents(children):
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# There is at least a child, so we need an existing directory to
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kind = self.final_kind(parent_id)
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for child in children:
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self.final_kind(child)
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kind = self.final_kind(parent_id)
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# The directory will be deleted
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conflicts.append(('missing parent', parent_id))
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elif kind != "directory":
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# Meh, we need a *directory* to put something in it
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conflicts.append(('non-directory parent', parent_id))
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def _any_contents(self, trans_ids):
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"""Return true if any of the trans_ids, will have contents."""
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for trans_id in trans_ids:
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kind = self.final_kind(trans_id)
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def _set_executability(self, path, trans_id):
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"""Set the executability of versioned files """
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if self._tree._supports_executable():
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if supports_executable():
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new_executability = self._new_executability[trans_id]
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abspath = self._tree.abspath(path)
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current_mode = os.stat(abspath).st_mode
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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
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for child_tid in self.by_parent()[dir_id]:
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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
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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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return _PreviewTree(self)
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def commit(self, branch, message, merge_parents=None, strict=False,
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timestamp=None, timezone=None, committer=None, authors=None,
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revprops=None, revision_id=None):
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def commit(self, branch, message, merge_parents=None, strict=False):
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"""Commit the result of this TreeTransform to a branch.
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:param branch: The branch to commit to.
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:param message: The message to attach to the commit.
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:param merge_parents: Additional parent revision-ids specified by
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:param strict: If True, abort the commit if there are unversioned
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:param timestamp: if not None, seconds-since-epoch for the time and
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date. (May be a float.)
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:param timezone: Optional timezone for timestamp, as an offset in
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:param committer: Optional committer in email-id format.
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(e.g. "J Random Hacker <jrandom@example.com>")
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:param authors: Optional list of authors in email-id format.
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:param revprops: Optional dictionary of revision properties.
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:param revision_id: Optional revision id. (Specifying a revision-id
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may reduce performance for some non-native formats.)
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:param merge_parents: Additional parents specified by pending merges.
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:return: The revision_id of the revision committed.
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self._check_malformed()
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descendants.update(self._limbo_descendants(descendant))
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return descendants
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def create_file(self, contents, trans_id, mode_id=None, sha1=None):
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def create_file(self, contents, trans_id, mode_id=None):
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"""Schedule creation of a new file.
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:param contents: an iterator of strings, all of which will be written
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to the target destination.
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:param trans_id: TreeTransform handle
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:param mode_id: If not None, force the mode of the target file to match
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the mode of the object referenced by mode_id.
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Otherwise, we will try to preserve mode bits of an existing file.
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:param sha1: If the sha1 of this content is already known, pass it in.
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We can use it to prevent future sha1 computations.
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Contents is an iterator of strings, all of which will be written
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to the target destination.
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New file takes the permissions of any existing file with that id,
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unless mode_id is specified.
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name = self._limbo_name(trans_id)
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f = open(name, 'wb')
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unique_add(self._new_contents, trans_id, 'file')
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unique_add(self._new_contents, trans_id, 'file')
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# Clean up the file, it never got registered so
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# TreeTransform.finalize() won't clean it up.
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f.writelines(contents)
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self._set_mtime(name)
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self._set_mode(trans_id, mode_id, S_ISREG)
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# It is unfortunate we have to use lstat instead of fstat, but we just
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# used utime and chmod on the file, so we need the accurate final
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if sha1 is not None:
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self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
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def _read_file_chunks(self, trans_id):
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cur_file = open(self._limbo_name(trans_id), 'rb')
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del self._limbo_children_names[trans_id]
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delete_any(self._limbo_name(trans_id))
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def new_orphan(self, trans_id, parent_id):
1406
# FIXME: There is no tree config, so we use the branch one (it's weird
1407
# to define it this way as orphaning can only occur in a working tree,
1408
# but that's all we have (for now). It will find the option in
1409
# locations.conf or bazaar.conf though) -- vila 20100916
1410
conf = self._tree.branch.get_config()
1411
conf_var_name = 'bzr.transform.orphan_policy'
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orphan_policy = conf.get_user_option(conf_var_name)
1413
default_policy = orphaning_registry.default_key
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if orphan_policy is None:
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orphan_policy = default_policy
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if orphan_policy not in orphaning_registry:
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trace.warning('%s (from %s) is not a known policy, defaulting '
1418
'to %s' % (orphan_policy, conf_var_name, default_policy))
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orphan_policy = default_policy
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handle_orphan = orphaning_registry.get(orphan_policy)
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handle_orphan(self, trans_id, parent_id)
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class OrphaningError(errors.BzrError):
1426
# Only bugs could lead to such exception being seen by the user
1427
internal_error = True
1428
_fmt = "Error while orphaning %s in %s directory"
1430
def __init__(self, orphan, parent):
1431
errors.BzrError.__init__(self)
1432
self.orphan = orphan
1433
self.parent = parent
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class OrphaningForbidden(OrphaningError):
1438
_fmt = "Policy: %s doesn't allow creating orphans."
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def __init__(self, policy):
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errors.BzrError.__init__(self)
1442
self.policy = policy
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def move_orphan(tt, orphan_id, parent_id):
1446
"""See TreeTransformBase.new_orphan.
1448
This creates a new orphan in the `bzr-orphans` dir at the root of the
1451
:param tt: The TreeTransform orphaning `trans_id`.
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:param orphan_id: The trans id that should be orphaned.
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:param parent_id: The orphan parent trans id.
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# Add the orphan dir if it doesn't exist
1458
orphan_dir_basename = 'bzr-orphans'
1459
od_id = tt.trans_id_tree_path(orphan_dir_basename)
1460
if tt.final_kind(od_id) is None:
1461
tt.create_directory(od_id)
1462
parent_path = tt._tree_id_paths[parent_id]
1463
# Find a name that doesn't exist yet in the orphan dir
1464
actual_name = tt.final_name(orphan_id)
1465
new_name = tt._available_backup_name(actual_name, od_id)
1466
tt.adjust_path(new_name, od_id, orphan_id)
1467
trace.warning('%s has been orphaned in %s'
1468
% (joinpath(parent_path, actual_name), orphan_dir_basename))
1471
def refuse_orphan(tt, orphan_id, parent_id):
1472
"""See TreeTransformBase.new_orphan.
1474
This refuses to create orphan, letting the caller handle the conflict.
1476
raise OrphaningForbidden('never')
1479
orphaning_registry = registry.Registry()
1480
orphaning_registry.register(
1481
'conflict', refuse_orphan,
1482
'Leave orphans in place and create a conflict on the directory.')
1483
orphaning_registry.register(
1484
'move', move_orphan,
1485
'Move orphans into the bzr-orphans directory.')
1486
orphaning_registry._set_default_key('conflict')
1489
1278
class TreeTransform(DiskTreeTransform):
1490
1279
"""Represent a tree transformation.
1829
1623
tree_paths = list(self._tree_path_ids.iteritems())
1830
1624
tree_paths.sort(reverse=True)
1831
child_pb = ui.ui_factory.nested_progress_bar()
1625
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
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))
1627
for num, data in enumerate(tree_paths):
1628
path, trans_id = data
1629
child_pb.update('removing file', num, len(tree_paths))
1838
1630
full_path = self._tree.abspath(path)
1839
1631
if trans_id in self._removed_contents:
1840
1632
delete_path = os.path.join(self._deletiondir, trans_id)
1865
1657
modified_paths = []
1866
1658
new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1868
child_pb = ui.ui_factory.nested_progress_bar()
1660
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1870
1662
for num, (path, trans_id) in enumerate(new_paths):
1871
1663
if (num % 10) == 0:
1872
child_pb.update(gettext('adding file'), num, len(new_paths))
1664
child_pb.update('adding file', num, len(new_paths))
1873
1665
full_path = self._tree.abspath(path)
1874
1666
if trans_id in self._needs_rename:
1876
1668
mover.rename(self._limbo_name(trans_id), full_path)
1877
except errors.TransformRenameFailed, e:
1878
1670
# We may be renaming a dangling inventory id
1879
1671
if e.errno != errno.ENOENT:
1882
1674
self.rename_count += 1
1883
# TODO: if trans_id in self._observed_sha1s, we should
1884
# re-stat the final target, since ctime will be
1885
# updated by the change.
1886
1675
if (trans_id in self._new_contents or
1887
1676
self.path_changed(trans_id)):
1888
1677
if trans_id in self._new_contents:
1889
1678
modified_paths.append(full_path)
1890
1679
if trans_id in self._new_executability:
1891
1680
self._set_executability(path, trans_id)
1892
if trans_id in self._observed_sha1s:
1893
o_sha1, o_st_val = self._observed_sha1s[trans_id]
1894
st = osutils.lstat(full_path)
1895
self._observed_sha1s[trans_id] = (o_sha1, st)
1897
1682
child_pb.finished()
1898
for path, trans_id in new_paths:
1899
# new_paths includes stuff like workingtree conflicts. Only the
1900
# stuff in new_contents actually comes from limbo.
1901
if trans_id in self._limbo_files:
1902
del self._limbo_files[trans_id]
1903
1683
self._new_contents.clear()
1904
1684
return modified_paths
1906
def _apply_observed_sha1s(self):
1907
"""After we have finished renaming everything, update observed sha1s
1909
This has to be done after self._tree.apply_inventory_delta, otherwise
1910
it doesn't know anything about the files we are updating. Also, we want
1911
to do this as late as possible, so that most entries end up cached.
1913
# TODO: this doesn't update the stat information for directories. So
1914
# the first 'bzr status' will still need to rewrite
1915
# .bzr/checkout/dirstate. However, we at least don't need to
1916
# re-read all of the files.
1917
# TODO: If the operation took a while, we could do a time.sleep(3) here
1918
# to allow the clock to tick over and ensure we won't have any
1919
# problems. (we could observe start time, and finish time, and if
1920
# it is less than eg 10% overhead, add a sleep call.)
1921
paths = FinalPaths(self)
1922
for trans_id, observed in self._observed_sha1s.iteritems():
1923
path = paths.get_path(trans_id)
1924
# We could get the file_id, but dirstate prefers to use the path
1925
# anyway, and it is 'cheaper' to determine.
1926
# file_id = self._new_id[trans_id]
1927
self._tree._observed_sha1(None, path, observed)
1930
1687
class TransformPreview(DiskTreeTransform):
1931
1688
"""A TreeTransform for generating preview trees.
2015
1767
yield self._get_repository().revision_tree(revision_id)
2017
1769
def _get_file_revision(self, file_id, vf, tree_revision):
2018
parent_keys = [(file_id, t.get_file_revision(file_id)) for t in
1770
parent_keys = [(file_id, self._file_revision(t, file_id)) for t in
2019
1771
self._iter_parent_trees()]
2020
1772
vf.add_lines((file_id, tree_revision), parent_keys,
2021
self.get_file_lines(file_id))
1773
self.get_file(file_id).readlines())
2022
1774
repo = self._get_repository()
2023
1775
base_vf = repo.texts
2024
1776
if base_vf not in vf.fallback_versionedfiles:
2025
1777
vf.fallback_versionedfiles.append(base_vf)
2026
1778
return tree_revision
2028
def _stat_limbo_file(self, file_id=None, trans_id=None):
2029
if trans_id is None:
2030
trans_id = self._transform.trans_id_file_id(file_id)
1780
def _stat_limbo_file(self, file_id):
1781
trans_id = self._transform.trans_id_file_id(file_id)
2031
1782
name = self._transform._limbo_name(trans_id)
2032
1783
return os.lstat(name)
2249
1998
def get_file_size(self, file_id):
2250
1999
"""See Tree.get_file_size"""
2251
trans_id = self._transform.trans_id_file_id(file_id)
2252
kind = self._transform.final_kind(trans_id)
2255
if trans_id in self._transform._new_contents:
2256
return self._stat_limbo_file(trans_id=trans_id).st_size
2257
2000
if self.kind(file_id) == 'file':
2258
2001
return self._transform._tree.get_file_size(file_id)
2262
def get_file_verifier(self, file_id, path=None, stat_value=None):
2263
trans_id = self._transform.trans_id_file_id(file_id)
2264
kind = self._transform._new_contents.get(trans_id)
2266
return self._transform._tree.get_file_verifier(file_id)
2268
fileobj = self.get_file(file_id)
2270
return ("SHA1", sha_file(fileobj))
2274
2005
def get_file_sha1(self, file_id, path=None, stat_value=None):
2275
2006
trans_id = self._transform.trans_id_file_id(file_id)
2276
2007
kind = self._transform._new_contents.get(trans_id)
2564
2289
pp.next_phase()
2565
2290
file_trans_id[wt.get_root_id()] = \
2566
2291
tt.trans_id_tree_file_id(wt.get_root_id())
2567
pb = ui.ui_factory.nested_progress_bar()
2292
pb = bzrlib.ui.ui_factory.nested_progress_bar()
2569
2294
deferred_contents = []
2571
total = len(tree.all_file_ids())
2296
total = len(tree.inventory)
2572
2297
if delta_from_tree:
2573
2298
precomputed_delta = []
2575
2300
precomputed_delta = None
2576
# Check if tree inventory has content. If so, we populate
2577
# existing_files with the directory content. If there are no
2578
# entries we skip populating existing_files as its not used.
2579
# This improves performance and unncessary work on large
2580
# directory trees. (#501307)
2582
existing_files = set()
2583
for dir, files in wt.walkdirs():
2584
existing_files.update(f[0] for f in files)
2585
2301
for num, (tree_path, entry) in \
2586
enumerate(tree.iter_entries_by_dir()):
2587
pb.update(gettext("Building tree"), num - len(deferred_contents), total)
2302
enumerate(tree.inventory.iter_entries_by_dir()):
2303
pb.update("Building tree", num - len(deferred_contents), total)
2588
2304
if entry.parent_id is None:
2590
2306
reparent = False
2668
2384
unchanged = dict(unchanged)
2669
2385
new_desired_files = []
2671
for file_id, (trans_id, tree_path, text_sha1) in desired_files:
2387
for file_id, (trans_id, tree_path) in desired_files:
2672
2388
accelerator_path = unchanged.get(file_id)
2673
2389
if accelerator_path is None:
2674
new_desired_files.append((file_id,
2675
(trans_id, tree_path, text_sha1)))
2390
new_desired_files.append((file_id, (trans_id, tree_path)))
2677
pb.update(gettext('Adding file contents'), count + offset, total)
2392
pb.update('Adding file contents', count + offset, total)
2679
2394
tt.create_hardlink(accelerator_tree.abspath(accelerator_path),
2696
2411
offset += count
2697
for count, ((trans_id, tree_path, text_sha1), contents) in enumerate(
2412
for count, ((trans_id, tree_path), contents) in enumerate(
2698
2413
tree.iter_files_bytes(new_desired_files)):
2699
2414
if wt.supports_content_filtering():
2700
2415
filters = wt._content_filter_stack(tree_path)
2701
2416
contents = filtered_output_bytes(contents, filters,
2702
2417
ContentFilterContext(tree_path, tree))
2703
tt.create_file(contents, trans_id, sha1=text_sha1)
2704
pb.update(gettext('Adding file contents'), count + offset, total)
2418
tt.create_file(contents, trans_id)
2419
pb.update('Adding file contents', count + offset, total)
2707
2422
def _reparent_children(tt, old_parent, new_parent):
2708
2423
for child in tt.iter_tree_children(old_parent):
2709
2424
tt.adjust_path(tt.final_name(child), new_parent, child)
2712
2426
def _reparent_transform_children(tt, old_parent, new_parent):
2713
2427
by_parent = tt.by_parent()
2714
2428
for child in by_parent[old_parent]:
2715
2429
tt.adjust_path(tt.final_name(child), new_parent, child)
2716
2430
return by_parent[old_parent]
2719
2432
def _content_match(tree, entry, file_id, kind, target_path):
2720
2433
if entry.kind != kind:
2722
2435
if entry.kind == "directory":
2724
2437
if entry.kind == "file":
2725
f = file(target_path, 'rb')
2727
if tree.get_file_text(file_id) == f.read():
2438
if tree.get_file(file_id).read() == file(target_path, 'rb').read():
2731
2440
elif entry.kind == "symlink":
2732
2441
if tree.get_symlink_target(file_id) == os.readlink(target_path):
2785
2494
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)
2788
2513
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2789
2514
filter_tree_path=None):
2790
2515
"""Create new file contents according to tree contents.
2839
2562
return 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
2842
2592
def revert(working_tree, target_tree, filenames, backups=False,
2843
2593
pb=None, change_reporter=None):
2844
2594
"""Revert a working tree's contents to those of a target tree."""
2905
2651
deferred_files = []
2906
2652
for id_num, (file_id, path, changed_content, versioned, parent, name,
2907
2653
kind, executable) in enumerate(change_list):
2908
target_path, wt_path = path
2909
target_versioned, wt_versioned = versioned
2910
target_parent, wt_parent = parent
2911
target_name, wt_name = name
2912
target_kind, wt_kind = kind
2913
target_executable, wt_executable = executable
2914
if skip_root and wt_parent is None:
2654
if skip_root and file_id[0] is not None and parent[0] is None:
2916
2656
trans_id = tt.trans_id_file_id(file_id)
2918
2658
if changed_content:
2919
2659
keep_content = False
2920
if wt_kind == 'file' and (backups or target_kind is None):
2660
if kind[0] == 'file' and (backups or kind[1] is None):
2921
2661
wt_sha1 = working_tree.get_file_sha1(file_id)
2922
2662
if merge_modified.get(file_id) != wt_sha1:
2923
2663
# acquire the basis tree lazily to prevent the
2926
2666
if basis_tree is None:
2927
2667
basis_tree = working_tree.basis_tree()
2928
2668
basis_tree.lock_read()
2929
if basis_tree.has_id(file_id):
2669
if file_id in basis_tree:
2930
2670
if wt_sha1 != basis_tree.get_file_sha1(file_id):
2931
2671
keep_content = True
2932
elif target_kind is None and not target_versioned:
2672
elif kind[1] is None and not versioned[1]:
2933
2673
keep_content = True
2934
if wt_kind is not None:
2674
if kind[0] is not None:
2935
2675
if not keep_content:
2936
2676
tt.delete_contents(trans_id)
2937
elif target_kind is not None:
2938
parent_trans_id = tt.trans_id_file_id(wt_parent)
2939
backup_name = tt._available_backup_name(
2940
wt_name, parent_trans_id)
2677
elif kind[1] is not None:
2678
parent_trans_id = tt.trans_id_file_id(parent[0])
2679
by_parent = tt.by_parent()
2680
backup_name = _get_backup_name(name[0], by_parent,
2681
parent_trans_id, tt)
2941
2682
tt.adjust_path(backup_name, parent_trans_id, trans_id)
2942
new_trans_id = tt.create_path(wt_name, parent_trans_id)
2943
if wt_versioned and target_versioned:
2683
new_trans_id = tt.create_path(name[0], parent_trans_id)
2684
if versioned == (True, True):
2944
2685
tt.unversion_file(trans_id)
2945
2686
tt.version_file(file_id, new_trans_id)
2946
2687
# New contents should have the same unix perms as old
2948
2689
mode_id = trans_id
2949
2690
trans_id = new_trans_id
2950
if target_kind in ('directory', 'tree-reference'):
2691
if kind[1] in ('directory', 'tree-reference'):
2951
2692
tt.create_directory(trans_id)
2952
if target_kind == 'tree-reference':
2693
if kind[1] == 'tree-reference':
2953
2694
revision = target_tree.get_reference_revision(file_id,
2955
2696
tt.set_tree_reference(revision, trans_id)
2956
elif target_kind == 'symlink':
2697
elif kind[1] == 'symlink':
2957
2698
tt.create_symlink(target_tree.get_symlink_target(file_id),
2959
elif target_kind == 'file':
2700
elif kind[1] == 'file':
2960
2701
deferred_files.append((file_id, (trans_id, mode_id)))
2961
2702
if basis_tree is None:
2962
2703
basis_tree = working_tree.basis_tree()
2963
2704
basis_tree.lock_read()
2964
2705
new_sha1 = target_tree.get_file_sha1(file_id)
2965
if (basis_tree.has_id(file_id) and
2966
new_sha1 == basis_tree.get_file_sha1(file_id)):
2706
if (file_id in basis_tree and new_sha1 ==
2707
basis_tree.get_file_sha1(file_id)):
2967
2708
if file_id in merge_modified:
2968
2709
del merge_modified[file_id]
2970
2711
merge_modified[file_id] = new_sha1
2972
2713
# preserve the execute bit when backing up
2973
if keep_content and wt_executable == target_executable:
2974
tt.set_executability(target_executable, trans_id)
2975
elif target_kind is not None:
2976
raise AssertionError(target_kind)
2977
if not wt_versioned and target_versioned:
2714
if keep_content and executable[0] == executable[1]:
2715
tt.set_executability(executable[1], trans_id)
2716
elif kind[1] is not None:
2717
raise AssertionError(kind[1])
2718
if versioned == (False, True):
2978
2719
tt.version_file(file_id, trans_id)
2979
if wt_versioned and not target_versioned:
2720
if versioned == (True, False):
2980
2721
tt.unversion_file(trans_id)
2981
if (target_name is not None and
2982
(wt_name != target_name or wt_parent != target_parent)):
2983
if target_name == '' and target_parent is None:
2722
if (name[1] is not None and
2723
(name[0] != name[1] or parent[0] != parent[1])):
2724
if name[1] == '' and parent[1] is None:
2984
2725
parent_trans = ROOT_PARENT
2986
parent_trans = tt.trans_id_file_id(target_parent)
2987
if wt_parent is None and wt_versioned:
2988
tt.adjust_root_path(target_name, parent_trans)
2727
parent_trans = tt.trans_id_file_id(parent[1])
2728
if parent[0] is None and versioned[0]:
2729
tt.adjust_root_path(name[1], parent_trans)
2990
tt.adjust_path(target_name, parent_trans, trans_id)
2991
if wt_executable != target_executable and target_kind == "file":
2992
tt.set_executability(target_executable, trans_id)
2731
tt.adjust_path(name[1], parent_trans, trans_id)
2732
if executable[0] != executable[1] and kind[1] == "file":
2733
tt.set_executability(executable[1], trans_id)
2993
2734
if working_tree.supports_content_filtering():
2994
2735
for index, ((trans_id, mode_id), bytes) in enumerate(
2995
2736
target_tree.iter_files_bytes(deferred_files)):
3067
2808
elif c_type == 'missing parent':
3068
2809
trans_id = conflict[1]
3069
if trans_id in tt._removed_contents:
3070
cancel_deletion = True
3071
orphans = tt._get_potential_orphans(trans_id)
3073
cancel_deletion = False
3074
# All children are orphans
3077
tt.new_orphan(o, trans_id)
3078
except OrphaningError:
3079
# Something bad happened so we cancel the directory
3080
# deletion which will leave it in place with a
3081
# conflict. The user can deal with it from there.
3082
# Note that this also catch the case where we don't
3083
# want to create orphans and leave the directory in
3085
cancel_deletion = True
3088
# Cancel the directory deletion
3089
tt.cancel_deletion(trans_id)
3090
new_conflicts.add(('deleting parent', 'Not deleting',
2811
tt.cancel_deletion(trans_id)
2812
new_conflicts.add(('deleting parent', 'Not deleting',
3095
2817
tt.final_name(trans_id)
3156
2878
modified_path = fp.get_path(conflict[2])
3157
2879
modified_id = tt.final_file_id(conflict[2])
3158
2880
if len(conflict) == 3:
3159
yield conflicts.Conflict.factory(
3160
c_type, action=action, path=modified_path, file_id=modified_id)
2881
yield Conflict.factory(c_type, action=action, path=modified_path,
2882
file_id=modified_id)
3163
2885
conflicting_path = fp.get_path(conflict[3])
3164
2886
conflicting_id = tt.final_file_id(conflict[3])
3165
yield conflicts.Conflict.factory(
3166
c_type, action=action, path=modified_path,
3167
file_id=modified_id,
3168
conflict_path=conflicting_path,
3169
conflict_file_id=conflicting_id)
2887
yield Conflict.factory(c_type, action=action, path=modified_path,
2888
file_id=modified_id,
2889
conflict_path=conflicting_path,
2890
conflict_file_id=conflicting_id)
3172
2893
class _FileMover(object):
added
removed
bzrlib/transform.py
