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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from __future__ import absolute_import
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from stat import S_ISREG, S_IEXEC
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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config as _mod_config,
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lazy_import.lazy_import(globals(), """
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revision as _mod_revision,
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from breezy.bzr import (
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from breezy.i18n import gettext
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from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
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ReusingTransform, CantMoveRoot,
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ExistingLimbo, ImmortalLimbo, NoFinalPath,
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from bzrlib.filters import filtered_output_bytes, ContentFilterContext
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from bzrlib.inventory import InventoryEntry
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from bzrlib.osutils import (
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from .errors import (DuplicateKey, MalformedTransform,
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ReusingTransform, CantMoveRoot,
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ImmortalLimbo, NoFinalPath,
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from .filters import filtered_output_bytes, ContentFilterContext
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from .mutabletree import MutableTree
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from .osutils import (
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from bzrlib.progress import ProgressPhase
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from bzrlib.symbol_versioning import (
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from bzrlib.trace import mutter, warning
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from bzrlib import tree
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import bzrlib.urlutils as urlutils
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from .progress import ProgressPhase
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ROOT_PARENT = "root-parent"
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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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"""Get the trans_ids and paths of files needing new inv entries."""
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for id_set in [self._new_name, self._new_parent, self._new_id,
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"""Determine which trans_ids need new Inventory entries.
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An new entry is needed when anything that would be reflected by an
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inventory entry changes, including file name, file_id, parent file_id,
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file kind, and the execute bit.
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Some care is taken to return entries with real changes, not cases
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where the value is deleted and then restored to its original value,
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but some actually unchanged values may be returned.
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:returns: A list of (path, trans_id) for all items requiring an
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inventory change. Ordered by path.
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# Find entries whose file_ids are new (or changed).
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new_file_id = set(t for t in self._new_id
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if self._new_id[t] != self.tree_file_id(t))
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for id_set in [self._new_name, self._new_parent, new_file_id,
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self._new_executability]:
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new_ids.update(id_set)
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changed_ids.update(id_set)
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# removing implies a kind change
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changed_kind = set(self._removed_contents)
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changed_kind.intersection_update(self._new_contents)
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changed_kind.difference_update(new_ids)
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changed_kind = (t for t in changed_kind if self.tree_kind(t) !=
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new_ids.update(changed_kind)
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return sorted(FinalPaths(self).get_paths(new_ids))
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# Ignore entries that are already known to have changed.
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changed_kind.difference_update(changed_ids)
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# to keep only the truly changed ones
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changed_kind = (t for t in changed_kind
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if self.tree_kind(t) != self.final_kind(t))
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# all kind changes will alter the inventory
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changed_ids.update(changed_kind)
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# To find entries with changed parent_ids, find parents which existed,
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# but changed file_id.
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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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def final_kind(self, trans_id):
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"""Determine the final file kind, after any changes applied.
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Raises NoSuchFile if the file does not exist/has no contents.
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(It is conceivable that a path would be created without the
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corresponding contents insertion command)
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:return: None if the file does not exist/has no contents. (It is
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conceivable that a path would be created without the corresponding
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contents insertion command)
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if trans_id in self._new_contents:
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return self._new_contents[trans_id]
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elif trans_id in self._removed_contents:
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raise NoSuchFile(None)
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return self.tree_kind(trans_id)
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# ensure that all children are registered with the transaction
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list(self.iter_tree_children(parent_id))
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def has_named_child(self, by_parent, parent_id, name):
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children = by_parent[parent_id]
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for child in children:
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def _has_named_child(self, name, parent_id, known_children):
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"""Does a parent already have a name child.
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:param name: The searched for name.
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:param parent_id: The parent for which the check is made.
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:param known_children: The already known children. This should have
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been recently obtained from `self.by_parent.get(parent_id)`
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(or will be if None is passed).
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if known_children is None:
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known_children = self.by_parent().get(parent_id, [])
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for child in known_children:
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if self.final_name(child) == name:
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path = self._tree_id_paths[parent_id]
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parent_path = self._tree_id_paths.get(parent_id, None)
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if parent_path is None:
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# No parent... no children
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childpath = joinpath(path, name)
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child_id = self._tree_path_ids.get(childpath)
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child_path = joinpath(parent_path, name)
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child_id = self._tree_path_ids.get(child_path, None)
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if child_id is None:
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return lexists(self._tree.abspath(childpath))
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# Not known by the tree transform yet, check the filesystem
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return osutils.lexists(self._tree.abspath(child_path))
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if self.final_parent(child_id) != parent_id:
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if child_id in self._removed_contents:
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# XXX What about dangling file-ids?
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raise AssertionError('child_id is missing: %s, %s, %s'
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% (name, parent_id, child_id))
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def _available_backup_name(self, name, target_id):
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"""Find an available backup name.
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:param name: The basename of the file.
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:param target_id: The directory trans_id where the backup should
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known_children = self.by_parent().get(target_id, [])
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return osutils.available_backup_name(
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lambda base: self._has_named_child(
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base, target_id, known_children))
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def _parent_loops(self):
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"""No entry should be its own ancestor"""
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if (self._new_name, self._new_parent) == ({}, {}):
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for children in by_parent.itervalues():
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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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for children in viewvalues(by_parent):
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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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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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self._removed_id))
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all_ids = self._tree.all_file_ids()
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active_tree_ids = all_ids.difference(removed_tree_ids)
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for trans_id, file_id in self._new_id.iteritems():
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for trans_id, file_id in viewitems(self._new_id):
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if file_id in active_tree_ids:
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old_trans_id = self.trans_id_tree_file_id(file_id)
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conflicts.append(('duplicate id', old_trans_id, trans_id))
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def _parent_type_conflicts(self, by_parent):
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"""parents must have directory 'contents'."""
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"""Children must have a directory parent"""
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for parent_id, children in by_parent.iteritems():
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if parent_id is ROOT_PARENT:
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if not self._any_contents(children):
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for child in children:
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self.final_kind(child)
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kind = self.final_kind(parent_id)
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for parent_id, children in viewitems(by_parent):
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if parent_id == ROOT_PARENT:
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for child_id in children:
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if self.final_kind(child_id) is not None:
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# There is at least a child, so we need an existing directory to
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kind = self.final_kind(parent_id)
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# The directory will be deleted
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conflicts.append(('missing parent', parent_id))
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elif kind != "directory":
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# Meh, we need a *directory* to put something in it
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conflicts.append(('non-directory parent', parent_id))
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def _any_contents(self, trans_ids):
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"""Return true if any of the trans_ids, will have contents."""
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for trans_id in trans_ids:
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kind = self.final_kind(trans_id)
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def _set_executability(self, path, trans_id):
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"""Set the executability of versioned files """
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if supports_executable():
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if self._tree._supports_executable():
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new_executability = self._new_executability[trans_id]
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abspath = self._tree.abspath(path)
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current_mode = os.stat(abspath).st_mode
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if new_executability:
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umask = os.umask(0)
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to_mode = current_mode | (0100 & ~umask)
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to_mode = current_mode | (0o100 & ~umask)
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# Enable x-bit for others only if they can read it.
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if current_mode & 0004:
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to_mode |= 0001 & ~umask
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if current_mode & 0040:
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to_mode |= 0010 & ~umask
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if current_mode & 0o004:
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to_mode |= 0o001 & ~umask
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if current_mode & 0o040:
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to_mode |= 0o010 & ~umask
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to_mode = current_mode & ~0111
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os.chmod(abspath, to_mode)
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to_mode = current_mode & ~0o111
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osutils.chmod_if_possible(abspath, to_mode)
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def _new_entry(self, name, parent_id, file_id):
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"""Helper function to create a new filesystem entry."""
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self.create_symlink(target, trans_id)
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def new_orphan(self, trans_id, parent_id):
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"""Schedule an item to be orphaned.
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When a directory is about to be removed, its children, if they are not
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versioned are moved out of the way: they don't have a parent anymore.
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:param trans_id: The trans_id of the existing item.
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:param parent_id: The parent trans_id of the item.
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raise NotImplementedError(self.new_orphan)
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def _get_potential_orphans(self, dir_id):
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"""Find the potential orphans in a directory.
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A directory can't be safely deleted if there are versioned files in it.
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If all the contained files are unversioned then they can be orphaned.
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The 'None' return value means that the directory contains at least one
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versioned file and should not be deleted.
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:param dir_id: The directory trans id.
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:return: A list of the orphan trans ids or None if at least one
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versioned file is present.
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# Find the potential orphans, stop if one item should be kept
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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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trans_ids.update(self._new_id.keys())
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trans_ids.update(self._new_id)
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trans_ids.update(self._removed_contents)
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trans_ids.update(self._new_contents.keys())
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trans_ids.update(self._new_executability.keys())
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trans_ids.update(self._new_name.keys())
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trans_ids.update(self._new_parent.keys())
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trans_ids.update(self._new_contents)
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trans_ids.update(self._new_executability)
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trans_ids.update(self._new_name)
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trans_ids.update(self._new_parent)
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def _get_file_id_maps(self):
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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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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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"""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 parents specified by pending merges.
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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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:return: The revision_id of the revision committed.
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self._check_malformed()
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:param records: An iterable of (names, content) tuples, as per
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pack.ContainerPushParser.
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names, content = records.next()
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names, content = next(records)
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attribs = bencode.bdecode(content)
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self._id_number = attribs['_id_number']
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self._new_name = dict((k, v.decode('utf-8'))
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for k, v in attribs['_new_name'].items())
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for k, v in viewitems(attribs['_new_name']))
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self._new_parent = attribs['_new_parent']
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self._new_executability = dict((k, bool(v)) for k, v in
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attribs['_new_executability'].items())
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self._new_executability = dict((k, bool(v))
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for k, v in viewitems(attribs['_new_executability']))
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self._new_id = attribs['_new_id']
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self._r_new_id = dict((v, k) for k, v in self._new_id.items())
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self._r_new_id = dict((v, k) for k, v in viewitems(self._new_id))
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self._tree_path_ids = {}
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self._tree_id_paths = {}
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for bytepath, trans_id in attribs['_tree_path_ids'].items():
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for bytepath, trans_id in viewitems(attribs['_tree_path_ids']):
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1157
path = bytepath.decode('utf-8')
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self._tree_path_ids[path] = trans_id
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self._tree_id_paths[trans_id] = path
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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):
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def create_file(self, contents, trans_id, mode_id=None, sha1=None):
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1304
"""Schedule creation of a new file.
1181
Contents is an iterator of strings, all of which will be written
1182
to the target destination.
1184
New file takes the permissions of any existing file with that id,
1185
unless mode_id is specified.
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:param contents: an iterator of strings, all of which will be written
1309
to the target destination.
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:param trans_id: TreeTransform handle
1311
:param mode_id: If not None, force the mode of the target file to match
1312
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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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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# Clean up the file, it never got registered so
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# TreeTransform.finalize() won't clean it up.
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unique_add(self._new_contents, trans_id, 'file')
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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
1327
# used utime and chmod on the file, so we need the accurate final
1329
if sha1 is not None:
1330
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):
1407
conf = self._tree.get_config_stack()
1408
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):
1414
# Only bugs could lead to such exception being seen by the user
1415
internal_error = True
1416
_fmt = "Error while orphaning %s in %s directory"
1418
def __init__(self, orphan, parent):
1419
errors.BzrError.__init__(self)
1420
self.orphan = orphan
1421
self.parent = parent
1424
class OrphaningForbidden(OrphaningError):
1426
_fmt = "Policy: %s doesn't allow creating orphans."
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def __init__(self, policy):
1429
errors.BzrError.__init__(self)
1430
self.policy = policy
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def move_orphan(tt, orphan_id, parent_id):
1434
"""See TreeTransformBase.new_orphan.
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This creates a new orphan in the `brz-orphans` dir at the root of the
1439
:param tt: The TreeTransform orphaning `trans_id`.
1441
: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
1446
orphan_dir_basename = 'brz-orphans'
1447
od_id = tt.trans_id_tree_path(orphan_dir_basename)
1448
if tt.final_kind(od_id) is None:
1449
tt.create_directory(od_id)
1450
parent_path = tt._tree_id_paths[parent_id]
1451
# Find a name that doesn't exist yet in the orphan dir
1452
actual_name = tt.final_name(orphan_id)
1453
new_name = tt._available_backup_name(actual_name, od_id)
1454
tt.adjust_path(new_name, od_id, orphan_id)
1455
trace.warning('%s has been orphaned in %s'
1456
% (joinpath(parent_path, actual_name), orphan_dir_basename))
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def refuse_orphan(tt, orphan_id, parent_id):
1460
"""See TreeTransformBase.new_orphan.
1462
This refuses to create orphan, letting the caller handle the conflict.
1464
raise OrphaningForbidden('never')
1467
orphaning_registry = registry.Registry()
1468
orphaning_registry.register(
1469
'conflict', refuse_orphan,
1470
'Leave orphans in place and create a conflict on the directory.')
1471
orphaning_registry.register(
1472
'move', move_orphan,
1473
'Move orphans into the brz-orphans directory.')
1474
orphaning_registry._set_default_key('conflict')
1477
opt_transform_orphan = _mod_config.RegistryOption(
1478
'bzr.transform.orphan_policy', orphaning_registry,
1479
help='Policy for orphaned files during transform operations.',
1278
1483
class TreeTransform(DiskTreeTransform):
1279
1484
"""Represent a tree transformation.
1572
1774
new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1574
1776
entries = self._tree.iter_entries_by_dir(
1575
new_path_file_ids.values())
1777
viewvalues(new_path_file_ids))
1576
1778
old_paths = dict((e.file_id, p) for p, e in entries)
1577
1779
final_kinds = {}
1578
1780
for num, (path, trans_id) in enumerate(new_paths):
1579
1781
if (num % 10) == 0:
1580
child_pb.update('adding file',
1782
child_pb.update(gettext('adding file'),
1581
1783
num + len(self._removed_id), total_entries)
1582
1784
file_id = new_path_file_ids[trans_id]
1583
1785
if file_id is None:
1585
1787
needs_entry = False
1587
kind = self.final_kind(trans_id)
1788
kind = self.final_kind(trans_id)
1589
1790
kind = self._tree.stored_kind(file_id)
1590
1791
parent_trans_id = self.final_parent(trans_id)
1591
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parent_file_id = new_path_file_ids.get(parent_trans_id)
1621
1822
If inventory_delta is None, no inventory delta generation is performed.
1623
tree_paths = list(self._tree_path_ids.iteritems())
1624
tree_paths.sort(reverse=True)
1625
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1824
tree_paths = sorted(viewitems(self._tree_path_ids), reverse=True)
1825
child_pb = ui.ui_factory.nested_progress_bar()
1627
for num, data in enumerate(tree_paths):
1628
path, trans_id = data
1629
child_pb.update('removing file', num, len(tree_paths))
1827
for num, (path, trans_id) in enumerate(tree_paths):
1828
# do not attempt to move root into a subdirectory of itself.
1831
child_pb.update(gettext('removing file'), num, len(tree_paths))
1630
1832
full_path = self._tree.abspath(path)
1631
1833
if trans_id in self._removed_contents:
1632
1834
delete_path = os.path.join(self._deletiondir, trans_id)
1657
1859
modified_paths = []
1658
1860
new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1660
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1862
child_pb = ui.ui_factory.nested_progress_bar()
1662
1864
for num, (path, trans_id) in enumerate(new_paths):
1663
1865
if (num % 10) == 0:
1664
child_pb.update('adding file', num, len(new_paths))
1866
child_pb.update(gettext('adding file'), num, len(new_paths))
1665
1867
full_path = self._tree.abspath(path)
1666
1868
if trans_id in self._needs_rename:
1668
1870
mover.rename(self._limbo_name(trans_id), full_path)
1871
except errors.TransformRenameFailed as e:
1670
1872
# We may be renaming a dangling inventory id
1671
1873
if e.errno != errno.ENOENT:
1674
1876
self.rename_count += 1
1877
# TODO: if trans_id in self._observed_sha1s, we should
1878
# re-stat the final target, since ctime will be
1879
# updated by the change.
1675
1880
if (trans_id in self._new_contents or
1676
1881
self.path_changed(trans_id)):
1677
1882
if trans_id in self._new_contents:
1678
1883
modified_paths.append(full_path)
1679
1884
if trans_id in self._new_executability:
1680
1885
self._set_executability(path, trans_id)
1886
if trans_id in self._observed_sha1s:
1887
o_sha1, o_st_val = self._observed_sha1s[trans_id]
1888
st = osutils.lstat(full_path)
1889
self._observed_sha1s[trans_id] = (o_sha1, st)
1682
1891
child_pb.finished()
1892
for path, trans_id in new_paths:
1893
# new_paths includes stuff like workingtree conflicts. Only the
1894
# stuff in new_contents actually comes from limbo.
1895
if trans_id in self._limbo_files:
1896
del self._limbo_files[trans_id]
1683
1897
self._new_contents.clear()
1684
1898
return modified_paths
1900
def _apply_observed_sha1s(self):
1901
"""After we have finished renaming everything, update observed sha1s
1903
This has to be done after self._tree.apply_inventory_delta, otherwise
1904
it doesn't know anything about the files we are updating. Also, we want
1905
to do this as late as possible, so that most entries end up cached.
1907
# TODO: this doesn't update the stat information for directories. So
1908
# the first 'bzr status' will still need to rewrite
1909
# .bzr/checkout/dirstate. However, we at least don't need to
1910
# re-read all of the files.
1911
# TODO: If the operation took a while, we could do a time.sleep(3) here
1912
# to allow the clock to tick over and ensure we won't have any
1913
# problems. (we could observe start time, and finish time, and if
1914
# it is less than eg 10% overhead, add a sleep call.)
1915
paths = FinalPaths(self)
1916
for trans_id, observed in viewitems(self._observed_sha1s):
1917
path = paths.get_path(trans_id)
1918
# We could get the file_id, but dirstate prefers to use the path
1919
# anyway, and it is 'cheaper' to determine.
1920
# file_id = self._new_id[trans_id]
1921
self._tree._observed_sha1(None, path, observed)
1687
1924
class TransformPreview(DiskTreeTransform):
1688
1925
"""A TreeTransform for generating preview trees.
1767
2009
yield self._get_repository().revision_tree(revision_id)
1769
2011
def _get_file_revision(self, file_id, vf, tree_revision):
1770
parent_keys = [(file_id, self._file_revision(t, file_id)) for t in
2012
parent_keys = [(file_id, t.get_file_revision(file_id)) for t in
1771
2013
self._iter_parent_trees()]
1772
2014
vf.add_lines((file_id, tree_revision), parent_keys,
1773
self.get_file(file_id).readlines())
2015
self.get_file_lines(file_id))
1774
2016
repo = self._get_repository()
1775
2017
base_vf = repo.texts
1776
2018
if base_vf not in vf.fallback_versionedfiles:
1777
2019
vf.fallback_versionedfiles.append(base_vf)
1778
2020
return tree_revision
1780
def _stat_limbo_file(self, file_id):
1781
trans_id = self._transform.trans_id_file_id(file_id)
2022
def _stat_limbo_file(self, file_id=None, trans_id=None):
2023
if trans_id is None:
2024
trans_id = self._transform.trans_id_file_id(file_id)
1782
2025
name = self._transform._limbo_name(trans_id)
1783
2026
return os.lstat(name)
1998
2255
def get_file_size(self, file_id):
1999
2256
"""See Tree.get_file_size"""
2257
trans_id = self._transform.trans_id_file_id(file_id)
2258
kind = self._transform.final_kind(trans_id)
2261
if trans_id in self._transform._new_contents:
2262
return self._stat_limbo_file(trans_id=trans_id).st_size
2000
2263
if self.kind(file_id) == 'file':
2001
2264
return self._transform._tree.get_file_size(file_id)
2268
def get_file_verifier(self, file_id, path=None, stat_value=None):
2269
trans_id = self._transform.trans_id_file_id(file_id)
2270
kind = self._transform._new_contents.get(trans_id)
2272
return self._transform._tree.get_file_verifier(file_id)
2274
fileobj = self.get_file(file_id)
2276
return ("SHA1", sha_file(fileobj))
2005
2280
def get_file_sha1(self, file_id, path=None, stat_value=None):
2006
2281
trans_id = self._transform.trans_id_file_id(file_id)
2007
2282
kind = self._transform._new_contents.get(trans_id)
2243
2527
:param delta_from_tree: If true, build_tree may use the input Tree to
2244
2528
generate the inventory delta.
2246
wt.lock_tree_write()
2530
with wt.lock_tree_write(), tree.lock_read():
2531
if accelerator_tree is not None:
2532
accelerator_tree.lock_read()
2534
return _build_tree(tree, wt, accelerator_tree, hardlink,
2250
2537
if accelerator_tree is not None:
2251
accelerator_tree.lock_read()
2253
return _build_tree(tree, wt, accelerator_tree, hardlink,
2256
if accelerator_tree is not None:
2257
accelerator_tree.unlock()
2538
accelerator_tree.unlock()
2264
2541
def _build_tree(tree, wt, accelerator_tree, hardlink, delta_from_tree):
2289
2563
pp.next_phase()
2290
2564
file_trans_id[wt.get_root_id()] = \
2291
2565
tt.trans_id_tree_file_id(wt.get_root_id())
2292
pb = bzrlib.ui.ui_factory.nested_progress_bar()
2566
pb = ui.ui_factory.nested_progress_bar()
2294
2568
deferred_contents = []
2296
total = len(tree.inventory)
2570
total = len(tree.all_file_ids())
2297
2571
if delta_from_tree:
2298
2572
precomputed_delta = []
2300
2574
precomputed_delta = None
2575
# Check if tree inventory has content. If so, we populate
2576
# existing_files with the directory content. If there are no
2577
# entries we skip populating existing_files as its not used.
2578
# This improves performance and unncessary work on large
2579
# directory trees. (#501307)
2581
existing_files = set()
2582
for dir, files in wt.walkdirs():
2583
existing_files.update(f[0] for f in files)
2301
2584
for num, (tree_path, entry) in \
2302
enumerate(tree.inventory.iter_entries_by_dir()):
2303
pb.update("Building tree", num - len(deferred_contents), total)
2585
enumerate(tree.iter_entries_by_dir()):
2586
pb.update(gettext("Building tree"), num - len(deferred_contents), total)
2304
2587
if entry.parent_id is None:
2306
2589
reparent = False
2380
2663
in iter if not (c or e[0] != e[1])]
2381
2664
if accelerator_tree.supports_content_filtering():
2382
2665
unchanged = [(f, p) for (f, p) in unchanged
2383
if not accelerator_tree.iter_search_rules([p]).next()]
2666
if not next(accelerator_tree.iter_search_rules([p]))]
2384
2667
unchanged = dict(unchanged)
2385
2668
new_desired_files = []
2387
for file_id, (trans_id, tree_path) in desired_files:
2670
for file_id, (trans_id, tree_path, text_sha1) in desired_files:
2388
2671
accelerator_path = unchanged.get(file_id)
2389
2672
if accelerator_path is None:
2390
new_desired_files.append((file_id, (trans_id, tree_path)))
2673
new_desired_files.append((file_id,
2674
(trans_id, tree_path, text_sha1)))
2392
pb.update('Adding file contents', count + offset, total)
2676
pb.update(gettext('Adding file contents'), count + offset, total)
2394
2678
tt.create_hardlink(accelerator_tree.abspath(accelerator_path),
2411
2695
offset += count
2412
for count, ((trans_id, tree_path), contents) in enumerate(
2696
for count, ((trans_id, tree_path, text_sha1), contents) in enumerate(
2413
2697
tree.iter_files_bytes(new_desired_files)):
2414
2698
if wt.supports_content_filtering():
2415
2699
filters = wt._content_filter_stack(tree_path)
2416
2700
contents = filtered_output_bytes(contents, filters,
2417
2701
ContentFilterContext(tree_path, tree))
2418
tt.create_file(contents, trans_id)
2419
pb.update('Adding file contents', count + offset, total)
2702
tt.create_file(contents, trans_id, sha1=text_sha1)
2703
pb.update(gettext('Adding file contents'), count + offset, total)
2422
2706
def _reparent_children(tt, old_parent, new_parent):
2423
2707
for child in tt.iter_tree_children(old_parent):
2424
2708
tt.adjust_path(tt.final_name(child), new_parent, child)
2426
2711
def _reparent_transform_children(tt, old_parent, new_parent):
2427
2712
by_parent = tt.by_parent()
2428
2713
for child in by_parent[old_parent]:
2429
2714
tt.adjust_path(tt.final_name(child), new_parent, child)
2430
2715
return by_parent[old_parent]
2432
2718
def _content_match(tree, entry, file_id, kind, target_path):
2433
2719
if entry.kind != kind:
2435
2721
if entry.kind == "directory":
2437
2723
if entry.kind == "file":
2438
if tree.get_file(file_id).read() == file(target_path, 'rb').read():
2724
f = file(target_path, 'rb')
2726
if tree.get_file_text(file_id) == f.read():
2440
2730
elif entry.kind == "symlink":
2441
2731
if tree.get_symlink_target(file_id) == os.readlink(target_path):
2494
2784
raise errors.BadFileKindError(name, kind)
2497
@deprecated_function(deprecated_in((1, 9, 0)))
2498
def create_by_entry(tt, entry, tree, trans_id, lines=None, mode_id=None):
2499
"""Create new file contents according to an inventory entry.
2501
DEPRECATED. Use create_from_tree instead.
2503
if entry.kind == "file":
2505
lines = tree.get_file(entry.file_id).readlines()
2506
tt.create_file(lines, trans_id, mode_id=mode_id)
2507
elif entry.kind == "symlink":
2508
tt.create_symlink(tree.get_symlink_target(entry.file_id), trans_id)
2509
elif entry.kind == "directory":
2510
tt.create_directory(trans_id)
2513
2787
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2514
2788
filter_tree_path=None):
2515
2789
"""Create new file contents according to tree contents.
2546
2820
tt.set_executability(entry.executable, trans_id)
2549
def get_backup_name(entry, by_parent, parent_trans_id, tt):
2550
return _get_backup_name(entry.name, by_parent, parent_trans_id, tt)
2553
def _get_backup_name(name, by_parent, parent_trans_id, tt):
2554
"""Produce a backup-style name that appears to be available"""
2558
yield "%s.~%d~" % (name, counter)
2560
for new_name in name_gen():
2561
if not tt.has_named_child(by_parent, parent_trans_id, new_name):
2565
def _entry_changes(file_id, entry, working_tree):
2566
"""Determine in which ways the inventory entry has changed.
2568
Returns booleans: has_contents, content_mod, meta_mod
2569
has_contents means there are currently contents, but they differ
2570
contents_mod means contents need to be modified
2571
meta_mod means the metadata needs to be modified
2573
cur_entry = working_tree.inventory[file_id]
2575
working_kind = working_tree.kind(file_id)
2578
has_contents = False
2581
if has_contents is True:
2582
if entry.kind != working_kind:
2583
contents_mod, meta_mod = True, False
2585
cur_entry._read_tree_state(working_tree.id2path(file_id),
2587
contents_mod, meta_mod = entry.detect_changes(cur_entry)
2588
cur_entry._forget_tree_state()
2589
return has_contents, contents_mod, meta_mod
2592
2823
def revert(working_tree, target_tree, filenames, backups=False,
2593
2824
pb=None, change_reporter=None):
2594
2825
"""Revert a working tree's contents to those of a target tree."""
2651
2886
deferred_files = []
2652
2887
for id_num, (file_id, path, changed_content, versioned, parent, name,
2653
2888
kind, executable) in enumerate(change_list):
2654
if skip_root and file_id[0] is not None and parent[0] is None:
2889
target_path, wt_path = path
2890
target_versioned, wt_versioned = versioned
2891
target_parent, wt_parent = parent
2892
target_name, wt_name = name
2893
target_kind, wt_kind = kind
2894
target_executable, wt_executable = executable
2895
if skip_root and wt_parent is None:
2656
2897
trans_id = tt.trans_id_file_id(file_id)
2658
2899
if changed_content:
2659
2900
keep_content = False
2660
if kind[0] == 'file' and (backups or kind[1] is None):
2901
if wt_kind == 'file' and (backups or target_kind is None):
2661
2902
wt_sha1 = working_tree.get_file_sha1(file_id)
2662
2903
if merge_modified.get(file_id) != wt_sha1:
2663
2904
# acquire the basis tree lazily to prevent the
2666
2907
if basis_tree is None:
2667
2908
basis_tree = working_tree.basis_tree()
2668
2909
basis_tree.lock_read()
2669
if file_id in basis_tree:
2910
if basis_tree.has_id(file_id):
2670
2911
if wt_sha1 != basis_tree.get_file_sha1(file_id):
2671
2912
keep_content = True
2672
elif kind[1] is None and not versioned[1]:
2913
elif target_kind is None and not target_versioned:
2673
2914
keep_content = True
2674
if kind[0] is not None:
2915
if wt_kind is not None:
2675
2916
if not keep_content:
2676
2917
tt.delete_contents(trans_id)
2677
elif kind[1] is not None:
2678
parent_trans_id = tt.trans_id_file_id(parent[0])
2679
by_parent = tt.by_parent()
2680
backup_name = _get_backup_name(name[0], by_parent,
2681
parent_trans_id, tt)
2918
elif target_kind is not None:
2919
parent_trans_id = tt.trans_id_file_id(wt_parent)
2920
backup_name = tt._available_backup_name(
2921
wt_name, parent_trans_id)
2682
2922
tt.adjust_path(backup_name, parent_trans_id, trans_id)
2683
new_trans_id = tt.create_path(name[0], parent_trans_id)
2684
if versioned == (True, True):
2923
new_trans_id = tt.create_path(wt_name, parent_trans_id)
2924
if wt_versioned and target_versioned:
2685
2925
tt.unversion_file(trans_id)
2686
2926
tt.version_file(file_id, new_trans_id)
2687
2927
# New contents should have the same unix perms as old
2689
2929
mode_id = trans_id
2690
2930
trans_id = new_trans_id
2691
if kind[1] in ('directory', 'tree-reference'):
2931
if target_kind in ('directory', 'tree-reference'):
2692
2932
tt.create_directory(trans_id)
2693
if kind[1] == 'tree-reference':
2933
if target_kind == 'tree-reference':
2694
2934
revision = target_tree.get_reference_revision(file_id,
2696
2936
tt.set_tree_reference(revision, trans_id)
2697
elif kind[1] == 'symlink':
2937
elif target_kind == 'symlink':
2698
2938
tt.create_symlink(target_tree.get_symlink_target(file_id),
2700
elif kind[1] == 'file':
2940
elif target_kind == 'file':
2701
2941
deferred_files.append((file_id, (trans_id, mode_id)))
2702
2942
if basis_tree is None:
2703
2943
basis_tree = working_tree.basis_tree()
2704
2944
basis_tree.lock_read()
2705
2945
new_sha1 = target_tree.get_file_sha1(file_id)
2706
if (file_id in basis_tree and new_sha1 ==
2707
basis_tree.get_file_sha1(file_id)):
2946
if (basis_tree.has_id(file_id) and
2947
new_sha1 == basis_tree.get_file_sha1(file_id)):
2708
2948
if file_id in merge_modified:
2709
2949
del merge_modified[file_id]
2711
2951
merge_modified[file_id] = new_sha1
2713
2953
# preserve the execute bit when backing up
2714
if keep_content and executable[0] == executable[1]:
2715
tt.set_executability(executable[1], trans_id)
2716
elif kind[1] is not None:
2717
raise AssertionError(kind[1])
2718
if versioned == (False, True):
2954
if keep_content and wt_executable == target_executable:
2955
tt.set_executability(target_executable, trans_id)
2956
elif target_kind is not None:
2957
raise AssertionError(target_kind)
2958
if not wt_versioned and target_versioned:
2719
2959
tt.version_file(file_id, trans_id)
2720
if versioned == (True, False):
2960
if wt_versioned and not target_versioned:
2721
2961
tt.unversion_file(trans_id)
2722
if (name[1] is not None and
2723
(name[0] != name[1] or parent[0] != parent[1])):
2724
if name[1] == '' and parent[1] is None:
2962
if (target_name is not None and
2963
(wt_name != target_name or wt_parent != target_parent)):
2964
if target_name == '' and target_parent is None:
2725
2965
parent_trans = ROOT_PARENT
2727
parent_trans = tt.trans_id_file_id(parent[1])
2728
if parent[0] is None and versioned[0]:
2729
tt.adjust_root_path(name[1], parent_trans)
2967
parent_trans = tt.trans_id_file_id(target_parent)
2968
if wt_parent is None and wt_versioned:
2969
tt.adjust_root_path(target_name, parent_trans)
2731
tt.adjust_path(name[1], parent_trans, trans_id)
2732
if executable[0] != executable[1] and kind[1] == "file":
2733
tt.set_executability(executable[1], trans_id)
2971
tt.adjust_path(target_name, parent_trans, trans_id)
2972
if wt_executable != target_executable and target_kind == "file":
2973
tt.set_executability(target_executable, trans_id)
2734
2974
if working_tree.supports_content_filtering():
2735
2975
for index, ((trans_id, mode_id), bytes) in enumerate(
2736
2976
target_tree.iter_files_bytes(deferred_files)):
2808
3048
elif c_type == 'missing parent':
2809
3049
trans_id = conflict[1]
2811
tt.cancel_deletion(trans_id)
2812
new_conflicts.add(('deleting parent', 'Not deleting',
3050
if trans_id in tt._removed_contents:
3051
cancel_deletion = True
3052
orphans = tt._get_potential_orphans(trans_id)
3054
cancel_deletion = False
3055
# All children are orphans
3058
tt.new_orphan(o, trans_id)
3059
except OrphaningError:
3060
# Something bad happened so we cancel the directory
3061
# deletion which will leave it in place with a
3062
# conflict. The user can deal with it from there.
3063
# Note that this also catch the case where we don't
3064
# want to create orphans and leave the directory in
3066
cancel_deletion = True
3069
# Cancel the directory deletion
3070
tt.cancel_deletion(trans_id)
3071
new_conflicts.add(('deleting parent', 'Not deleting',
2817
3076
tt.final_name(trans_id)
2878
3137
modified_path = fp.get_path(conflict[2])
2879
3138
modified_id = tt.final_file_id(conflict[2])
2880
3139
if len(conflict) == 3:
2881
yield Conflict.factory(c_type, action=action, path=modified_path,
2882
file_id=modified_id)
3140
yield conflicts.Conflict.factory(
3141
c_type, action=action, path=modified_path, file_id=modified_id)
2885
3144
conflicting_path = fp.get_path(conflict[3])
2886
3145
conflicting_id = tt.final_file_id(conflict[3])
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)
3146
yield conflicts.Conflict.factory(
3147
c_type, action=action, path=modified_path,
3148
file_id=modified_id,
3149
conflict_path=conflicting_path,
3150
conflict_file_id=conflicting_id)
2893
3153
class _FileMover(object):
2932
3197
# after apply_deletions, don't reuse _FileMover
2933
3198
past_renames = None
2934
3199
pending_deletions = None
3202
def link_tree(target_tree, source_tree):
3203
"""Where possible, hard-link files in a tree to those in another tree.
3205
:param target_tree: Tree to change
3206
:param source_tree: Tree to hard-link from
3208
tt = TreeTransform(target_tree)
3210
for (file_id, paths, changed_content, versioned, parent, name, kind,
3211
executable) in target_tree.iter_changes(source_tree,
3212
include_unchanged=True):
3215
if kind != ('file', 'file'):
3217
if executable[0] != executable[1]:
3219
trans_id = tt.trans_id_tree_file_id(file_id)
3220
tt.delete_contents(trans_id)
3221
tt.create_hardlink(source_tree.id2abspath(file_id), trans_id)
added
removed
breezy/transform.py
