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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from __future__ import absolute_import
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from stat import S_ISREG, S_IEXEC
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config as _mod_config,
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lazy_import.lazy_import(globals(), """
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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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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ReusingTransform, CantMoveRoot,
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ImmortalLimbo, NoFinalPath,
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from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
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ReusingTransform, NotVersionedError, 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.mutabletree import MutableTree
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from bzrlib.inventory import InventoryEntry
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from bzrlib.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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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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def _has_named_child(self, name, parent_id, known_children):
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"""Does a parent already have a name child.
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:param name: The searched for name.
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:param parent_id: The parent for which the check is made.
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:param known_children: The already known children. This should have
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been recently obtained from `self.by_parent.get(parent_id)`
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(or will be if None is passed).
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if known_children is None:
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known_children = self.by_parent().get(parent_id, [])
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for child in known_children:
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def has_named_child(self, by_parent, parent_id, name):
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children = by_parent[parent_id]
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for child in children:
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if self.final_name(child) == name:
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parent_path = self._tree_id_paths.get(parent_id, None)
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if parent_path is None:
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# No parent... no children
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path = self._tree_id_paths[parent_id]
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child_path = joinpath(parent_path, name)
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child_id = self._tree_path_ids.get(child_path, None)
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childpath = joinpath(path, name)
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child_id = self._tree_path_ids.get(childpath)
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if child_id is None:
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# Not known by the tree transform yet, check the filesystem
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return osutils.lexists(self._tree.abspath(child_path))
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return lexists(self._tree.abspath(childpath))
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raise AssertionError('child_id is missing: %s, %s, %s'
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% (name, parent_id, child_id))
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def _available_backup_name(self, name, target_id):
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"""Find an available backup name.
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:param name: The basename of the file.
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:param target_id: The directory trans_id where the backup should
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known_children = self.by_parent().get(target_id, [])
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return osutils.available_backup_name(
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lambda base: self._has_named_child(
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base, target_id, known_children))
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if self.final_parent(child_id) != parent_id:
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if child_id in self._removed_contents:
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# XXX What about dangling file-ids?
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def _parent_loops(self):
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"""No entry should be its own ancestor"""
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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 == 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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if parent_id is ROOT_PARENT:
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if not self._any_contents(children):
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for child in children:
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self.final_kind(child)
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kind = self.final_kind(parent_id)
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# The directory will be deleted
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conflicts.append(('missing parent', parent_id))
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elif kind != "directory":
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# Meh, we need a *directory* to put something in it
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conflicts.append(('non-directory parent', parent_id))
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def _any_contents(self, trans_ids):
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"""Return true if any of the trans_ids, will have contents."""
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for trans_id in trans_ids:
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kind = self.final_kind(trans_id)
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def _set_executability(self, path, trans_id):
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"""Set the executability of versioned files """
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if self._tree._supports_executable():
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if supports_executable():
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new_executability = self._new_executability[trans_id]
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abspath = self._tree.abspath(path)
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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):
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conf = self._tree.get_config_stack()
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handle_orphan = conf.get('bzr.transform.orphan_policy')
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handle_orphan(self, trans_id, parent_id)
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class OrphaningError(errors.BzrError):
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# Only bugs could lead to such exception being seen by the user
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internal_error = True
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_fmt = "Error while orphaning %s in %s directory"
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def __init__(self, orphan, parent):
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errors.BzrError.__init__(self)
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self.orphan = orphan
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self.parent = parent
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class OrphaningForbidden(OrphaningError):
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_fmt = "Policy: %s doesn't allow creating orphans."
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def __init__(self, policy):
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errors.BzrError.__init__(self)
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self.policy = policy
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def move_orphan(tt, orphan_id, parent_id):
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"""See TreeTransformBase.new_orphan.
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This creates a new orphan in the `bzr-orphans` dir at the root of the
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: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
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orphan_dir_basename = 'bzr-orphans'
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od_id = tt.trans_id_tree_path(orphan_dir_basename)
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if tt.final_kind(od_id) is None:
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tt.create_directory(od_id)
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parent_path = tt._tree_id_paths[parent_id]
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# Find a name that doesn't exist yet in the orphan dir
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actual_name = tt.final_name(orphan_id)
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new_name = tt._available_backup_name(actual_name, od_id)
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tt.adjust_path(new_name, od_id, orphan_id)
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trace.warning('%s has been orphaned in %s'
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% (joinpath(parent_path, actual_name), orphan_dir_basename))
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def refuse_orphan(tt, orphan_id, parent_id):
1457
"""See TreeTransformBase.new_orphan.
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This refuses to create orphan, letting the caller handle the conflict.
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raise OrphaningForbidden('never')
1464
orphaning_registry = registry.Registry()
1465
orphaning_registry.register(
1466
'conflict', refuse_orphan,
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'Leave orphans in place and create a conflict on the directory.')
1468
orphaning_registry.register(
1469
'move', move_orphan,
1470
'Move orphans into the bzr-orphans directory.')
1471
orphaning_registry._set_default_key('conflict')
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opt_transform_orphan = _mod_config.RegistryOption(
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'bzr.transform.orphan_policy', orphaning_registry,
1476
help='Policy for orphaned files during transform operations.',
1480
1278
class TreeTransform(DiskTreeTransform):
1481
1279
"""Represent a tree transformation.
1822
1623
tree_paths = list(self._tree_path_ids.iteritems())
1823
1624
tree_paths.sort(reverse=True)
1824
child_pb = ui.ui_factory.nested_progress_bar()
1625
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
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for num, (path, trans_id) in enumerate(tree_paths):
1827
# do not attempt to move root into a subdirectory of itself.
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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))
1831
1630
full_path = self._tree.abspath(path)
1832
1631
if trans_id in self._removed_contents:
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1632
delete_path = os.path.join(self._deletiondir, trans_id)
1858
1657
modified_paths = []
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1658
new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1861
child_pb = ui.ui_factory.nested_progress_bar()
1660
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1863
1662
for num, (path, trans_id) in enumerate(new_paths):
1864
1663
if (num % 10) == 0:
1865
child_pb.update(gettext('adding file'), num, len(new_paths))
1664
child_pb.update('adding file', num, len(new_paths))
1866
1665
full_path = self._tree.abspath(path)
1867
1666
if trans_id in self._needs_rename:
1869
1668
mover.rename(self._limbo_name(trans_id), full_path)
1870
except errors.TransformRenameFailed, e:
1871
1670
# We may be renaming a dangling inventory id
1872
1671
if e.errno != errno.ENOENT:
1875
1674
self.rename_count += 1
1876
# TODO: if trans_id in self._observed_sha1s, we should
1877
# re-stat the final target, since ctime will be
1878
# updated by the change.
1879
1675
if (trans_id in self._new_contents or
1880
1676
self.path_changed(trans_id)):
1881
1677
if trans_id in self._new_contents:
1882
1678
modified_paths.append(full_path)
1883
1679
if trans_id in self._new_executability:
1884
1680
self._set_executability(path, trans_id)
1885
if trans_id in self._observed_sha1s:
1886
o_sha1, o_st_val = self._observed_sha1s[trans_id]
1887
st = osutils.lstat(full_path)
1888
self._observed_sha1s[trans_id] = (o_sha1, st)
1890
1682
child_pb.finished()
1891
for path, trans_id in new_paths:
1892
# new_paths includes stuff like workingtree conflicts. Only the
1893
# stuff in new_contents actually comes from limbo.
1894
if trans_id in self._limbo_files:
1895
del self._limbo_files[trans_id]
1896
1683
self._new_contents.clear()
1897
1684
return modified_paths
1899
def _apply_observed_sha1s(self):
1900
"""After we have finished renaming everything, update observed sha1s
1902
This has to be done after self._tree.apply_inventory_delta, otherwise
1903
it doesn't know anything about the files we are updating. Also, we want
1904
to do this as late as possible, so that most entries end up cached.
1906
# TODO: this doesn't update the stat information for directories. So
1907
# the first 'bzr status' will still need to rewrite
1908
# .bzr/checkout/dirstate. However, we at least don't need to
1909
# re-read all of the files.
1910
# TODO: If the operation took a while, we could do a time.sleep(3) here
1911
# to allow the clock to tick over and ensure we won't have any
1912
# problems. (we could observe start time, and finish time, and if
1913
# it is less than eg 10% overhead, add a sleep call.)
1914
paths = FinalPaths(self)
1915
for trans_id, observed in self._observed_sha1s.iteritems():
1916
path = paths.get_path(trans_id)
1917
# We could get the file_id, but dirstate prefers to use the path
1918
# anyway, and it is 'cheaper' to determine.
1919
# file_id = self._new_id[trans_id]
1920
self._tree._observed_sha1(None, path, observed)
1923
1687
class TransformPreview(DiskTreeTransform):
1924
1688
"""A TreeTransform for generating preview trees.
2008
1767
yield self._get_repository().revision_tree(revision_id)
2010
1769
def _get_file_revision(self, file_id, vf, tree_revision):
2011
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
2012
1771
self._iter_parent_trees()]
2013
1772
vf.add_lines((file_id, tree_revision), parent_keys,
2014
self.get_file_lines(file_id))
1773
self.get_file(file_id).readlines())
2015
1774
repo = self._get_repository()
2016
1775
base_vf = repo.texts
2017
1776
if base_vf not in vf.fallback_versionedfiles:
2018
1777
vf.fallback_versionedfiles.append(base_vf)
2019
1778
return tree_revision
2021
def _stat_limbo_file(self, file_id=None, trans_id=None):
2022
if trans_id is None:
2023
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)
2024
1782
name = self._transform._limbo_name(trans_id)
2025
1783
return os.lstat(name)
2260
1998
def get_file_size(self, file_id):
2261
1999
"""See Tree.get_file_size"""
2262
trans_id = self._transform.trans_id_file_id(file_id)
2263
kind = self._transform.final_kind(trans_id)
2266
if trans_id in self._transform._new_contents:
2267
return self._stat_limbo_file(trans_id=trans_id).st_size
2268
2000
if self.kind(file_id) == 'file':
2269
2001
return self._transform._tree.get_file_size(file_id)
2273
def get_file_verifier(self, file_id, path=None, stat_value=None):
2274
trans_id = self._transform.trans_id_file_id(file_id)
2275
kind = self._transform._new_contents.get(trans_id)
2277
return self._transform._tree.get_file_verifier(file_id)
2279
fileobj = self.get_file(file_id)
2281
return ("SHA1", sha_file(fileobj))
2285
2005
def get_file_sha1(self, file_id, path=None, stat_value=None):
2286
2006
trans_id = self._transform.trans_id_file_id(file_id)
2287
2007
kind = self._transform._new_contents.get(trans_id)
2575
2289
pp.next_phase()
2576
2290
file_trans_id[wt.get_root_id()] = \
2577
2291
tt.trans_id_tree_file_id(wt.get_root_id())
2578
pb = ui.ui_factory.nested_progress_bar()
2292
pb = bzrlib.ui.ui_factory.nested_progress_bar()
2580
2294
deferred_contents = []
2582
total = len(tree.all_file_ids())
2296
total = len(tree.inventory)
2583
2297
if delta_from_tree:
2584
2298
precomputed_delta = []
2586
2300
precomputed_delta = None
2587
# Check if tree inventory has content. If so, we populate
2588
# existing_files with the directory content. If there are no
2589
# entries we skip populating existing_files as its not used.
2590
# This improves performance and unncessary work on large
2591
# directory trees. (#501307)
2593
existing_files = set()
2594
for dir, files in wt.walkdirs():
2595
existing_files.update(f[0] for f in files)
2596
2301
for num, (tree_path, entry) in \
2597
enumerate(tree.iter_entries_by_dir()):
2598
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)
2599
2304
if entry.parent_id is None:
2601
2306
reparent = False
2679
2384
unchanged = dict(unchanged)
2680
2385
new_desired_files = []
2682
for file_id, (trans_id, tree_path, text_sha1) in desired_files:
2387
for file_id, (trans_id, tree_path) in desired_files:
2683
2388
accelerator_path = unchanged.get(file_id)
2684
2389
if accelerator_path is None:
2685
new_desired_files.append((file_id,
2686
(trans_id, tree_path, text_sha1)))
2390
new_desired_files.append((file_id, (trans_id, tree_path)))
2688
pb.update(gettext('Adding file contents'), count + offset, total)
2392
pb.update('Adding file contents', count + offset, total)
2690
2394
tt.create_hardlink(accelerator_tree.abspath(accelerator_path),
2707
2411
offset += count
2708
for count, ((trans_id, tree_path, text_sha1), contents) in enumerate(
2412
for count, ((trans_id, tree_path), contents) in enumerate(
2709
2413
tree.iter_files_bytes(new_desired_files)):
2710
2414
if wt.supports_content_filtering():
2711
2415
filters = wt._content_filter_stack(tree_path)
2712
2416
contents = filtered_output_bytes(contents, filters,
2713
2417
ContentFilterContext(tree_path, tree))
2714
tt.create_file(contents, trans_id, sha1=text_sha1)
2715
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)
2718
2422
def _reparent_children(tt, old_parent, new_parent):
2719
2423
for child in tt.iter_tree_children(old_parent):
2720
2424
tt.adjust_path(tt.final_name(child), new_parent, child)
2723
2426
def _reparent_transform_children(tt, old_parent, new_parent):
2724
2427
by_parent = tt.by_parent()
2725
2428
for child in by_parent[old_parent]:
2726
2429
tt.adjust_path(tt.final_name(child), new_parent, child)
2727
2430
return by_parent[old_parent]
2730
2432
def _content_match(tree, entry, file_id, kind, target_path):
2731
2433
if entry.kind != kind:
2733
2435
if entry.kind == "directory":
2735
2437
if entry.kind == "file":
2736
f = file(target_path, 'rb')
2738
if tree.get_file_text(file_id) == f.read():
2438
if tree.get_file(file_id).read() == file(target_path, 'rb').read():
2742
2440
elif entry.kind == "symlink":
2743
2441
if tree.get_symlink_target(file_id) == os.readlink(target_path):
2796
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)
2799
2513
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2800
2514
filter_tree_path=None):
2801
2515
"""Create new file contents according to tree contents.
2832
2546
tt.set_executability(entry.executable, trans_id)
2549
def get_backup_name(entry, by_parent, parent_trans_id, tt):
2550
return _get_backup_name(entry.name, by_parent, parent_trans_id, tt)
2553
def _get_backup_name(name, by_parent, parent_trans_id, tt):
2554
"""Produce a backup-style name that appears to be available"""
2558
yield "%s.~%d~" % (name, counter)
2560
for new_name in name_gen():
2561
if not tt.has_named_child(by_parent, parent_trans_id, new_name):
2565
def _entry_changes(file_id, entry, working_tree):
2566
"""Determine in which ways the inventory entry has changed.
2568
Returns booleans: has_contents, content_mod, meta_mod
2569
has_contents means there are currently contents, but they differ
2570
contents_mod means contents need to be modified
2571
meta_mod means the metadata needs to be modified
2573
cur_entry = working_tree.inventory[file_id]
2575
working_kind = working_tree.kind(file_id)
2578
has_contents = False
2581
if has_contents is True:
2582
if entry.kind != working_kind:
2583
contents_mod, meta_mod = True, False
2585
cur_entry._read_tree_state(working_tree.id2path(file_id),
2587
contents_mod, meta_mod = entry.detect_changes(cur_entry)
2588
cur_entry._forget_tree_state()
2589
return has_contents, contents_mod, meta_mod
2835
2592
def revert(working_tree, target_tree, filenames, backups=False,
2836
2593
pb=None, change_reporter=None):
2837
2594
"""Revert a working tree's contents to those of a target tree."""
2898
2651
deferred_files = []
2899
2652
for id_num, (file_id, path, changed_content, versioned, parent, name,
2900
2653
kind, executable) in enumerate(change_list):
2901
target_path, wt_path = path
2902
target_versioned, wt_versioned = versioned
2903
target_parent, wt_parent = parent
2904
target_name, wt_name = name
2905
target_kind, wt_kind = kind
2906
target_executable, wt_executable = executable
2907
if skip_root and wt_parent is None:
2654
if skip_root and file_id[0] is not None and parent[0] is None:
2909
2656
trans_id = tt.trans_id_file_id(file_id)
2911
2658
if changed_content:
2912
2659
keep_content = False
2913
if wt_kind == 'file' and (backups or target_kind is None):
2660
if kind[0] == 'file' and (backups or kind[1] is None):
2914
2661
wt_sha1 = working_tree.get_file_sha1(file_id)
2915
2662
if merge_modified.get(file_id) != wt_sha1:
2916
2663
# acquire the basis tree lazily to prevent the
2919
2666
if basis_tree is None:
2920
2667
basis_tree = working_tree.basis_tree()
2921
2668
basis_tree.lock_read()
2922
if basis_tree.has_id(file_id):
2669
if file_id in basis_tree:
2923
2670
if wt_sha1 != basis_tree.get_file_sha1(file_id):
2924
2671
keep_content = True
2925
elif target_kind is None and not target_versioned:
2672
elif kind[1] is None and not versioned[1]:
2926
2673
keep_content = True
2927
if wt_kind is not None:
2674
if kind[0] is not None:
2928
2675
if not keep_content:
2929
2676
tt.delete_contents(trans_id)
2930
elif target_kind is not None:
2931
parent_trans_id = tt.trans_id_file_id(wt_parent)
2932
backup_name = tt._available_backup_name(
2933
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)
2934
2682
tt.adjust_path(backup_name, parent_trans_id, trans_id)
2935
new_trans_id = tt.create_path(wt_name, parent_trans_id)
2936
if wt_versioned and target_versioned:
2683
new_trans_id = tt.create_path(name[0], parent_trans_id)
2684
if versioned == (True, True):
2937
2685
tt.unversion_file(trans_id)
2938
2686
tt.version_file(file_id, new_trans_id)
2939
2687
# New contents should have the same unix perms as old
2941
2689
mode_id = trans_id
2942
2690
trans_id = new_trans_id
2943
if target_kind in ('directory', 'tree-reference'):
2691
if kind[1] in ('directory', 'tree-reference'):
2944
2692
tt.create_directory(trans_id)
2945
if target_kind == 'tree-reference':
2693
if kind[1] == 'tree-reference':
2946
2694
revision = target_tree.get_reference_revision(file_id,
2948
2696
tt.set_tree_reference(revision, trans_id)
2949
elif target_kind == 'symlink':
2697
elif kind[1] == 'symlink':
2950
2698
tt.create_symlink(target_tree.get_symlink_target(file_id),
2952
elif target_kind == 'file':
2700
elif kind[1] == 'file':
2953
2701
deferred_files.append((file_id, (trans_id, mode_id)))
2954
2702
if basis_tree is None:
2955
2703
basis_tree = working_tree.basis_tree()
2956
2704
basis_tree.lock_read()
2957
2705
new_sha1 = target_tree.get_file_sha1(file_id)
2958
if (basis_tree.has_id(file_id) and
2959
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)):
2960
2708
if file_id in merge_modified:
2961
2709
del merge_modified[file_id]
2963
2711
merge_modified[file_id] = new_sha1
2965
2713
# preserve the execute bit when backing up
2966
if keep_content and wt_executable == target_executable:
2967
tt.set_executability(target_executable, trans_id)
2968
elif target_kind is not None:
2969
raise AssertionError(target_kind)
2970
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):
2971
2719
tt.version_file(file_id, trans_id)
2972
if wt_versioned and not target_versioned:
2720
if versioned == (True, False):
2973
2721
tt.unversion_file(trans_id)
2974
if (target_name is not None and
2975
(wt_name != target_name or wt_parent != target_parent)):
2976
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:
2977
2725
parent_trans = ROOT_PARENT
2979
parent_trans = tt.trans_id_file_id(target_parent)
2980
if wt_parent is None and wt_versioned:
2981
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)
2983
tt.adjust_path(target_name, parent_trans, trans_id)
2984
if wt_executable != target_executable and target_kind == "file":
2985
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)
2986
2734
if working_tree.supports_content_filtering():
2987
2735
for index, ((trans_id, mode_id), bytes) in enumerate(
2988
2736
target_tree.iter_files_bytes(deferred_files)):
3060
2808
elif c_type == 'missing parent':
3061
2809
trans_id = conflict[1]
3062
if trans_id in tt._removed_contents:
3063
cancel_deletion = True
3064
orphans = tt._get_potential_orphans(trans_id)
3066
cancel_deletion = False
3067
# All children are orphans
3070
tt.new_orphan(o, trans_id)
3071
except OrphaningError:
3072
# Something bad happened so we cancel the directory
3073
# deletion which will leave it in place with a
3074
# conflict. The user can deal with it from there.
3075
# Note that this also catch the case where we don't
3076
# want to create orphans and leave the directory in
3078
cancel_deletion = True
3081
# Cancel the directory deletion
3082
tt.cancel_deletion(trans_id)
3083
new_conflicts.add(('deleting parent', 'Not deleting',
2811
tt.cancel_deletion(trans_id)
2812
new_conflicts.add(('deleting parent', 'Not deleting',
3088
2817
tt.final_name(trans_id)
3149
2878
modified_path = fp.get_path(conflict[2])
3150
2879
modified_id = tt.final_file_id(conflict[2])
3151
2880
if len(conflict) == 3:
3152
yield conflicts.Conflict.factory(
3153
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)
3156
2885
conflicting_path = fp.get_path(conflict[3])
3157
2886
conflicting_id = tt.final_file_id(conflict[3])
3158
yield conflicts.Conflict.factory(
3159
c_type, action=action, path=modified_path,
3160
file_id=modified_id,
3161
conflict_path=conflicting_path,
3162
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)
3165
2893
class _FileMover(object):
3170
2898
self.pending_deletions = []
3172
2900
def rename(self, from_, to):
3173
"""Rename a file from one path to another."""
2901
"""Rename a file from one path to another. Functions like os.rename"""
3175
2903
os.rename(from_, to)
3176
2904
except OSError, e:
3177
2905
if e.errno in (errno.EEXIST, errno.ENOTEMPTY):
3178
2906
raise errors.FileExists(to, str(e))
3179
# normal OSError doesn't include filenames so it's hard to see where
3180
# the problem is, see https://bugs.launchpad.net/bzr/+bug/491763
3181
raise errors.TransformRenameFailed(from_, to, str(e), e.errno)
3182
2908
self.past_renames.append((from_, to))
3184
2910
def pre_delete(self, from_, to):
added
removed
bzrlib/transform.py
