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# Copyright (C) 2008-2018 Jelmer Vernooij <jelmer@jelmer.uk>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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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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"""An adapter between a Git index and a Bazaar Working Tree"""
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from __future__ import absolute_import
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from collections import defaultdict
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from dulwich.ignore import (
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from dulwich.file import GitFile, FileLocked
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from dulwich.index import (
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build_index_from_tree,
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index_entry_from_path,
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index_entry_from_stat,
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from dulwich.object_store import (
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from dulwich.objects import (
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from dulwich.repo import (
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conflicts as _mod_conflicts,
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controldir as _mod_controldir,
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revision as _mod_revision,
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transport as _mod_transport,
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from ..decorators import (
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from ..mutabletree import (
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from .mapping import (
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IGNORE_FILENAME = ".gitignore"
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class GitWorkingTree(MutableGitIndexTree,workingtree.WorkingTree):
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"""A Git working tree."""
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def __init__(self, controldir, repo, branch):
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MutableGitIndexTree.__init__(self)
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basedir = controldir.root_transport.local_abspath('.')
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self.basedir = osutils.realpath(basedir)
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self.controldir = controldir
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self.repository = repo
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self.store = self.repository._git.object_store
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self.mapping = self.repository.get_mapping()
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self._branch = branch
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self._transport = controldir.transport
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self._format = GitWorkingTreeFormat()
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self._index_file = None
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self.views = self._make_views()
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self._rules_searcher = None
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self._detect_case_handling()
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def supports_tree_reference(self):
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def supports_rename_tracking(self):
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def _read_index(self):
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self.index = Index(self.control_transport.local_abspath('index'))
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self._index_dirty = False
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"""Lock the repository for read operations.
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:return: A breezy.lock.LogicalLockResult.
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if not self._lock_mode:
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self._lock_mode = 'r'
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self._lock_count += 1
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self.branch.lock_read()
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return lock.LogicalLockResult(self.unlock)
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def _lock_write_tree(self):
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# TODO(jelmer): Actually create index.lock
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if not self._lock_mode:
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self._lock_mode = 'w'
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self._index_file = GitFile(self.control_transport.local_abspath('index'), 'wb')
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raise errors.LockContention('index')
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elif self._lock_mode == 'r':
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raise errors.ReadOnlyError(self)
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def lock_tree_write(self):
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self.branch.lock_read()
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self._lock_write_tree()
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return lock.LogicalLockResult(self.unlock)
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def lock_write(self, token=None):
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self.branch.lock_write()
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self._lock_write_tree()
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return lock.LogicalLockResult(self.unlock)
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return self._lock_count >= 1
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def get_physical_lock_status(self):
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def break_lock(self):
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self.control_transport.delete('index.lock')
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except errors.NoSuchFile:
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self.branch.break_lock()
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@only_raises(errors.LockNotHeld, errors.LockBroken)
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if not self._lock_count:
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return lock.cant_unlock_not_held(self)
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self._lock_count -= 1
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if self._lock_count > 0:
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if self._index_file is not None:
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if self._index_dirty:
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self._flush(self._index_file)
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self._index_file.close()
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# Somebody else already wrote the index file
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# by calling .flush()
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self._index_file.abort()
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self._index_file = None
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self._lock_mode = None
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def _detect_case_handling(self):
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self._transport.stat(".git/cOnFiG")
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except errors.NoSuchFile:
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self.case_sensitive = True
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self.case_sensitive = False
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def merge_modified(self):
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def set_merge_modified(self, modified_hashes):
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raise errors.UnsupportedOperation(self.set_merge_modified, self)
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def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
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self.set_parent_ids([p for p, t in parents_list])
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def _set_merges_from_parent_ids(self, rhs_parent_ids):
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merges = [self.branch.lookup_bzr_revision_id(revid)[0] for revid in rhs_parent_ids]
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except errors.NoSuchRevision as e:
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raise errors.GhostRevisionUnusableHere(e.revision)
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self.control_transport.put_bytes('MERGE_HEAD', b'\n'.join(merges),
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mode=self.controldir._get_file_mode())
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self.control_transport.delete('MERGE_HEAD')
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except errors.NoSuchFile:
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def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
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"""Set the parent ids to revision_ids.
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See also set_parent_trees. This api will try to retrieve the tree data
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for each element of revision_ids from the trees repository. If you have
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tree data already available, it is more efficient to use
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set_parent_trees rather than set_parent_ids. set_parent_ids is however
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an easier API to use.
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:param revision_ids: The revision_ids to set as the parent ids of this
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working tree. Any of these may be ghosts.
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with self.lock_tree_write():
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self._check_parents_for_ghosts(revision_ids,
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allow_leftmost_as_ghost=allow_leftmost_as_ghost)
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for revision_id in revision_ids:
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_mod_revision.check_not_reserved_id(revision_id)
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revision_ids = self._filter_parent_ids_by_ancestry(revision_ids)
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if len(revision_ids) > 0:
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self.set_last_revision(revision_ids[0])
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self.set_last_revision(_mod_revision.NULL_REVISION)
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self._set_merges_from_parent_ids(revision_ids[1:])
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def get_parent_ids(self):
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"""See Tree.get_parent_ids.
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This implementation reads the pending merges list and last_revision
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value and uses that to decide what the parents list should be.
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last_rev = _mod_revision.ensure_null(self._last_revision())
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if _mod_revision.NULL_REVISION == last_rev:
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merges_bytes = self.control_transport.get_bytes('MERGE_HEAD')
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except errors.NoSuchFile:
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for l in osutils.split_lines(merges_bytes):
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revision_id = l.rstrip(b'\n')
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parents.append(self.branch.lookup_foreign_revision_id(revision_id))
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def check_state(self):
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"""Check that the working state is/isn't valid."""
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def remove(self, files, verbose=False, to_file=None, keep_files=True,
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"""Remove nominated files from the working tree metadata.
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:param files: File paths relative to the basedir.
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:param keep_files: If true, the files will also be kept.
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:param force: Delete files and directories, even if they are changed
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and even if the directories are not empty.
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if not isinstance(files, list):
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def backup(file_to_backup):
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abs_path = self.abspath(file_to_backup)
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backup_name = self.controldir._available_backup_name(file_to_backup)
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osutils.rename(abs_path, self.abspath(backup_name))
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return "removed %s (but kept a copy: %s)" % (
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file_to_backup, backup_name)
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# Sort needed to first handle directory content before the directory
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def recurse_directory_to_add_files(directory):
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# Recurse directory and add all files
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# so we can check if they have changed.
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for parent_info, file_infos in self.walkdirs(directory):
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for relpath, basename, kind, lstat, fileid, kind in file_infos:
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# Is it versioned or ignored?
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if self.is_versioned(relpath):
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# Add nested content for deletion.
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all_files.add(relpath)
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# Files which are not versioned
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# should be treated as unknown.
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files_to_backup.append(relpath)
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with self.lock_tree_write():
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for filepath in files:
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# Get file name into canonical form.
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abspath = self.abspath(filepath)
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filepath = self.relpath(abspath)
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all_files.add(filepath)
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recurse_directory_to_add_files(filepath)
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files = list(all_files)
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return # nothing to do
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# Sort needed to first handle directory content before the directory
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files.sort(reverse=True)
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# Bail out if we are going to delete files we shouldn't
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if not keep_files and not force:
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for (file_id, path, content_change, versioned, parent_id, name,
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kind, executable) in self.iter_changes(self.basis_tree(),
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include_unchanged=True, require_versioned=False,
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want_unversioned=True, specific_files=files):
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if versioned[0] == False:
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# The record is unknown or newly added
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files_to_backup.append(path[1])
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files_to_backup.extend(osutils.parent_directories(path[1]))
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elif (content_change and (kind[1] is not None) and
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osutils.is_inside_any(files, path[1])):
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# Versioned and changed, but not deleted, and still
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# in one of the dirs to be deleted.
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files_to_backup.append(path[1])
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files_to_backup.extend(osutils.parent_directories(path[1]))
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except errors.NoSuchFile:
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abs_path = self.abspath(f)
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# having removed it, it must be either ignored or unknown
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if self.is_ignored(f):
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kind_ch = osutils.kind_marker(kind)
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to_file.write(new_status + ' ' + f + kind_ch + '\n')
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message = "%s does not exist" % (f, )
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if f in files_to_backup and not force:
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if kind == 'directory':
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osutils.rmtree(abs_path)
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osutils.delete_any(abs_path)
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message = "deleted %s" % (f,)
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message = "removed %s" % (f,)
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self._unversion_path(f)
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# print only one message (if any) per file.
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if message is not None:
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self._versioned_dirs = None
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def smart_add(self, file_list, recurse=True, action=None, save=True):
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# expand any symlinks in the directory part, while leaving the
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# only expanding if symlinks are supported avoids windows path bugs
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if osutils.has_symlinks():
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file_list = list(map(osutils.normalizepath, file_list))
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conflicts_related = set()
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for c in self.conflicts():
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conflicts_related.update(c.associated_filenames())
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def call_action(filepath, kind):
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if action is not None:
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parent_path = posixpath.dirname(filepath)
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parent_id = self.path2id(parent_path)
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parent_ie = self._get_dir_ie(parent_path, parent_id)
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file_id = action(self, parent_ie, filepath, kind)
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if file_id is not None:
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raise workingtree.SettingFileIdUnsupported()
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with self.lock_tree_write():
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for filepath in osutils.canonical_relpaths(self.basedir, file_list):
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filepath, can_access = osutils.normalized_filename(filepath)
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raise errors.InvalidNormalization(filepath)
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abspath = self.abspath(filepath)
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kind = osutils.file_kind(abspath)
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if kind in ("file", "symlink"):
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(index, subpath) = self._lookup_index(filepath.encode('utf-8'))
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call_action(filepath, kind)
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self._index_add_entry(filepath, kind)
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added.append(filepath)
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elif kind == "directory":
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(index, subpath) = self._lookup_index(filepath.encode('utf-8'))
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if subpath not in index:
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call_action(filepath, kind)
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user_dirs.append(filepath)
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raise errors.BadFileKindError(filename=abspath, kind=kind)
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for user_dir in user_dirs:
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abs_user_dir = self.abspath(user_dir)
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transport = _mod_transport.get_transport_from_path(abs_user_dir)
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_mod_controldir.ControlDirFormat.find_format(transport)
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except errors.NotBranchError:
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except errors.UnsupportedFormatError:
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trace.warning('skipping nested tree %r', abs_user_dir)
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for name in os.listdir(abs_user_dir):
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subp = os.path.join(user_dir, name)
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if self.is_control_filename(subp) or self.mapping.is_special_file(subp):
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ignore_glob = self.is_ignored(subp)
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if ignore_glob is not None:
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ignored.setdefault(ignore_glob, []).append(subp)
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abspath = self.abspath(subp)
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kind = osutils.file_kind(abspath)
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if kind == "directory":
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user_dirs.append(subp)
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if subp in self.index:
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if subp in conflicts_related:
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call_action(filepath, kind)
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self._index_add_entry(subp, kind)
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return added, ignored
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def has_filename(self, filename):
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return osutils.lexists(self.abspath(filename))
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def _iter_files_recursive(self, from_dir=None, include_dirs=False):
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for (dirpath, dirnames, filenames) in os.walk(self.abspath(from_dir).encode(osutils._fs_enc)):
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dir_relpath = dirpath[len(self.basedir):].strip(b"/")
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if self.controldir.is_control_filename(dir_relpath.decode(osutils._fs_enc)):
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for name in list(dirnames):
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if self.controldir.is_control_filename(name.decode(osutils._fs_enc)):
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dirnames.remove(name)
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relpath = os.path.join(dir_relpath, name)
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yield relpath.decode(osutils._fs_enc)
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except UnicodeDecodeError:
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raise errors.BadFilenameEncoding(
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relpath, osutils._fs_enc)
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if not self._has_dir(relpath):
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dirnames.remove(name)
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for name in filenames:
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if not self.mapping.is_special_file(name):
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yp = os.path.join(dir_relpath, name)
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yield yp.decode(osutils._fs_enc)
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except UnicodeDecodeError:
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raise errors.BadFilenameEncoding(
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"""Yield all unversioned files in this WorkingTree.
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with self.lock_read():
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index_paths = set([p.decode('utf-8') for p, i in self._recurse_index_entries()])
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all_paths = set(self._iter_files_recursive(include_dirs=True))
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for p in (all_paths - index_paths):
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if not self._has_dir(p.encode('utf-8')):
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def _gather_kinds(self, files, kinds):
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"""See MutableTree._gather_kinds."""
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with self.lock_tree_write():
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for pos, f in enumerate(files):
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if kinds[pos] is None:
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fullpath = osutils.normpath(self.abspath(f))
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kind = osutils.file_kind(fullpath)
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if e.errno == errno.ENOENT:
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raise errors.NoSuchFile(fullpath)
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if kind == 'directory' and f != '' and os.path.exists(os.path.join(fullpath, '.git')):
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kind = 'tree-reference'
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if self._lock_mode != 'w':
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raise errors.NotWriteLocked(self)
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# TODO(jelmer): This shouldn't be writing in-place, but index.lock is
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# already in use and GitFile doesn't allow overriding the lock file name :(
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f = open(self.control_transport.local_abspath('index'), 'wb')
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# Note that _flush will close the file
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write_index_dict(shaf, self.index)
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self._index_dirty = False
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def has_or_had_id(self, file_id):
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if self.has_id(file_id):
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if self.had_id(file_id):
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def had_id(self, file_id):
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path = self._basis_fileid_map.lookup_path(file_id)
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head = self.repository._git.head()
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# Assume no if basis is not accessible
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root_tree = self.store[head].tree
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tree_lookup_path(self.store.__getitem__, root_tree, path.encode('utf-8'))
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def get_file_mtime(self, path, file_id=None):
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"""See Tree.get_file_mtime."""
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return self._lstat(path).st_mtime
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if e.errno == errno.ENOENT:
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raise errors.NoSuchFile(path)
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def is_ignored(self, filename):
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r"""Check whether the filename matches an ignore pattern.
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If the file is ignored, returns the pattern which caused it to
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be ignored, otherwise None. So this can simply be used as a
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boolean if desired."""
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if getattr(self, '_global_ignoreglobster', None) is None:
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ignore_globs.update(ignores.get_runtime_ignores())
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ignore_globs.update(ignores.get_user_ignores())
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self._global_ignoreglobster = globbing.ExceptionGlobster(ignore_globs)
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match = self._global_ignoreglobster.match(filename)
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if match is not None:
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if self.kind(filename) == 'directory':
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except errors.NoSuchFile:
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filename = filename.lstrip('/')
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ignore_manager = self._get_ignore_manager()
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ps = list(ignore_manager.find_matching(filename))
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if not ps[-1].is_exclude:
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def _get_ignore_manager(self):
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ignoremanager = getattr(self, '_ignoremanager', None)
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if ignoremanager is not None:
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ignore_manager = IgnoreFilterManager.from_repo(self.repository._git)
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self._ignoremanager = ignore_manager
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return ignore_manager
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def _flush_ignore_list_cache(self):
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self._ignoremanager = None
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def set_last_revision(self, revid):
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if _mod_revision.is_null(revid):
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self.branch.set_last_revision_info(0, revid)
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_mod_revision.check_not_reserved_id(revid)
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self.branch.generate_revision_history(revid)
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except errors.NoSuchRevision:
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raise errors.GhostRevisionUnusableHere(revid)
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def _reset_data(self):
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head = self.repository._git.head()
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self._basis_fileid_map = GitFileIdMap({}, self.mapping)
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self._basis_fileid_map = self.mapping.get_fileid_map(
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self.store.__getitem__, self.store[head].tree)
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self._fileid_map = self._basis_fileid_map.copy()
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def get_file_verifier(self, path, file_id=None, stat_value=None):
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with self.lock_read():
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(index, subpath) = self._lookup_index(path.encode('utf-8'))
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return ("GIT", index[subpath].sha)
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if self._has_dir(path):
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raise errors.NoSuchFile(path)
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def get_file_sha1(self, path, file_id=None, stat_value=None):
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with self.lock_read():
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if not self.is_versioned(path):
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raise errors.NoSuchFile(path)
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abspath = self.abspath(path)
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return osutils.sha_file_by_name(abspath)
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if e.errno in (errno.EISDIR, errno.ENOENT):
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def revision_tree(self, revid):
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return self.repository.revision_tree(revid)
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def _is_executable_from_path_and_stat_from_stat(self, path, stat_result):
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mode = stat_result.st_mode
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return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
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def _is_executable_from_path_and_stat_from_basis(self, path, stat_result):
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return self.basis_tree().is_executable(path)
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def stored_kind(self, path, file_id=None):
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with self.lock_read():
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encoded_path = path.encode('utf-8')
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(index, subpath) = self._lookup_index(encoded_path)
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return mode_kind(index[subpath].mode)
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# Maybe it's a directory?
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if self._has_dir(encoded_path):
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raise errors.NoSuchFile(path)
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def _lstat(self, path):
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return os.lstat(self.abspath(path))
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def _live_entry(self, path):
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return index_entry_from_path(self.abspath(path.decode('utf-8')).encode(osutils._fs_enc))
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def is_executable(self, path, file_id=None):
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with self.lock_read():
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if getattr(self, "_supports_executable", osutils.supports_executable)():
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mode = self._lstat(path).st_mode
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(index, subpath) = self._lookup_index(path.encode('utf-8'))
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mode = index[subpath].mode
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return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
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def _is_executable_from_path_and_stat(self, path, stat_result):
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if getattr(self, "_supports_executable", osutils.supports_executable)():
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return self._is_executable_from_path_and_stat_from_stat(path, stat_result)
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return self._is_executable_from_path_and_stat_from_basis(path, stat_result)
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def list_files(self, include_root=False, from_dir=None, recursive=True):
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fk_entries = {'directory': tree.TreeDirectory,
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'file': tree.TreeFile,
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'symlink': tree.TreeLink,
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'tree-reference': tree.TreeReference}
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with self.lock_read():
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root_ie = self._get_dir_ie(u"", None)
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if include_root and not from_dir:
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yield "", "V", root_ie.kind, root_ie.file_id, root_ie
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dir_ids[u""] = root_ie.file_id
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path_iterator = sorted(self._iter_files_recursive(from_dir, include_dirs=True))
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path_iterator = sorted([os.path.join(from_dir, name.decode(osutils._fs_enc)) for name in
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os.listdir(self.abspath(from_dir).encode(osutils._fs_enc))
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if not self.controldir.is_control_filename(name.decode(osutils._fs_enc))
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and not self.mapping.is_special_file(name.decode(osutils._fs_enc))])
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for path in path_iterator:
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encoded_path = path.encode("utf-8")
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except UnicodeEncodeError:
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raise errors.BadFilenameEncoding(
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path, osutils._fs_enc)
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(index, index_path) = self._lookup_index(encoded_path)
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value = index[index_path]
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kind = self.kind(path)
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parent, name = posixpath.split(path)
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for dir_path, dir_ie in self._add_missing_parent_ids(parent, dir_ids):
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if kind in ('directory', 'tree-reference'):
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if self._has_dir(encoded_path):
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ie = self._get_dir_ie(path, self.path2id(path))
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elif self.is_ignored(path):
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ie = fk_entries[kind]()
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ie = fk_entries[kind]()
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yield posixpath.relpath(path, from_dir), status, kind, file_id, ie
799
if value is not None:
800
ie = self._get_file_ie(name, path, value, dir_ids[parent])
801
yield posixpath.relpath(path, from_dir), "V", ie.kind, ie.file_id, ie
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ie = fk_entries[kind]()
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yield posixpath.relpath(path, from_dir), ("I" if self.is_ignored(path) else "?"), kind, None, ie
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def all_file_ids(self):
807
with self.lock_read():
808
ids = {u"": self.path2id("")}
809
for path in self.index:
810
if self.mapping.is_special_file(path):
812
path = path.decode("utf-8")
813
parent = posixpath.dirname(path).strip("/")
814
for e in self._add_missing_parent_ids(parent, ids):
816
ids[path] = self.path2id(path)
817
return set(ids.values())
819
def all_versioned_paths(self):
820
with self.lock_read():
822
for path in self.index:
823
if self.mapping.is_special_file(path):
825
path = path.decode("utf-8")
828
path = posixpath.dirname(path).strip("/")
834
def iter_child_entries(self, path, file_id=None):
835
encoded_path = path.encode('utf-8')
836
with self.lock_read():
837
parent_id = self.path2id(path)
839
seen_children = set()
840
for item_path, value in self.index.iteritems():
841
decoded_item_path = item_path.decode('utf-8')
842
if self.mapping.is_special_file(item_path):
844
if not osutils.is_inside(path, decoded_item_path):
847
subpath = posixpath.relpath(decoded_item_path, path)
849
dirname = subpath.split('/', 1)[0]
850
file_ie = self._get_dir_ie(posixpath.join(path, dirname), parent_id)
852
(unused_parent, name) = posixpath.split(decoded_item_path)
853
file_ie = self._get_file_ie(
854
name, decoded_item_path, value, parent_id)
856
if not found_any and path != u'':
857
raise errors.NoSuchFile(path)
860
with self.lock_read():
861
conflicts = _mod_conflicts.ConflictList()
862
for item_path, value in self.index.iteritems():
863
if value.flags & FLAG_STAGEMASK:
864
conflicts.append(_mod_conflicts.TextConflict(item_path.decode('utf-8')))
867
def set_conflicts(self, conflicts):
869
for conflict in conflicts:
870
if conflict.typestring in ('text conflict', 'contents conflict'):
871
by_path.add(conflict.path.encode('utf-8'))
873
raise errors.UnsupportedOperation(self.set_conflicts, self)
874
with self.lock_tree_write():
875
for path in self.index:
876
self._set_conflicted(path, path in by_path)
878
def _set_conflicted(self, path, conflicted):
879
trace.mutter('change conflict: %r -> %r', path, conflicted)
880
value = self.index[path]
881
self._index_dirty = True
883
self.index[path] = (value[:9] + (value[9] | FLAG_STAGEMASK, ))
885
self.index[path] = (value[:9] + (value[9] &~ FLAG_STAGEMASK, ))
887
def add_conflicts(self, new_conflicts):
888
with self.lock_tree_write():
889
for conflict in new_conflicts:
890
if conflict.typestring in ('text conflict', 'contents conflict'):
892
self._set_conflicted(conflict.path.encode('utf-8'), True)
894
raise errors.UnsupportedOperation(self.add_conflicts, self)
896
raise errors.UnsupportedOperation(self.add_conflicts, self)
898
def walkdirs(self, prefix=""):
899
"""Walk the directories of this tree.
901
returns a generator which yields items in the form:
902
((curren_directory_path, fileid),
903
[(file1_path, file1_name, file1_kind, (lstat), file1_id,
906
This API returns a generator, which is only valid during the current
907
tree transaction - within a single lock_read or lock_write duration.
909
If the tree is not locked, it may cause an error to be raised,
910
depending on the tree implementation.
912
from bisect import bisect_left
914
disk_top = self.abspath(prefix)
915
if disk_top.endswith('/'):
916
disk_top = disk_top[:-1]
917
top_strip_len = len(disk_top) + 1
918
inventory_iterator = self._walkdirs(prefix)
919
disk_iterator = osutils.walkdirs(disk_top, prefix)
921
current_disk = next(disk_iterator)
922
disk_finished = False
924
if not (e.errno == errno.ENOENT or
925
(sys.platform == 'win32' and e.errno == ERROR_PATH_NOT_FOUND)):
930
current_inv = next(inventory_iterator)
932
except StopIteration:
935
while not inv_finished or not disk_finished:
937
((cur_disk_dir_relpath, cur_disk_dir_path_from_top),
938
cur_disk_dir_content) = current_disk
940
((cur_disk_dir_relpath, cur_disk_dir_path_from_top),
941
cur_disk_dir_content) = ((None, None), None)
942
if not disk_finished:
943
# strip out .bzr dirs
944
if (cur_disk_dir_path_from_top[top_strip_len:] == '' and
945
len(cur_disk_dir_content) > 0):
946
# osutils.walkdirs can be made nicer -
947
# yield the path-from-prefix rather than the pathjoined
949
bzrdir_loc = bisect_left(cur_disk_dir_content,
951
if (bzrdir_loc < len(cur_disk_dir_content)
952
and self.controldir.is_control_filename(
953
cur_disk_dir_content[bzrdir_loc][0])):
954
# we dont yield the contents of, or, .bzr itself.
955
del cur_disk_dir_content[bzrdir_loc]
957
# everything is unknown
960
# everything is missing
963
direction = ((current_inv[0][0] > cur_disk_dir_relpath) -
964
(current_inv[0][0] < cur_disk_dir_relpath))
966
# disk is before inventory - unknown
967
dirblock = [(relpath, basename, kind, stat, None, None) for
968
relpath, basename, kind, stat, top_path in
969
cur_disk_dir_content]
970
yield (cur_disk_dir_relpath, None), dirblock
972
current_disk = next(disk_iterator)
973
except StopIteration:
976
# inventory is before disk - missing.
977
dirblock = [(relpath, basename, 'unknown', None, fileid, kind)
978
for relpath, basename, dkind, stat, fileid, kind in
980
yield (current_inv[0][0], current_inv[0][1]), dirblock
982
current_inv = next(inventory_iterator)
983
except StopIteration:
986
# versioned present directory
987
# merge the inventory and disk data together
989
for relpath, subiterator in itertools.groupby(sorted(
990
current_inv[1] + cur_disk_dir_content,
991
key=operator.itemgetter(0)), operator.itemgetter(1)):
992
path_elements = list(subiterator)
993
if len(path_elements) == 2:
994
inv_row, disk_row = path_elements
995
# versioned, present file
996
dirblock.append((inv_row[0],
997
inv_row[1], disk_row[2],
998
disk_row[3], inv_row[4],
1000
elif len(path_elements[0]) == 5:
1002
dirblock.append((path_elements[0][0],
1003
path_elements[0][1], path_elements[0][2],
1004
path_elements[0][3], None, None))
1005
elif len(path_elements[0]) == 6:
1006
# versioned, absent file.
1007
dirblock.append((path_elements[0][0],
1008
path_elements[0][1], 'unknown', None,
1009
path_elements[0][4], path_elements[0][5]))
1011
raise NotImplementedError('unreachable code')
1012
yield current_inv[0], dirblock
1014
current_inv = next(inventory_iterator)
1015
except StopIteration:
1018
current_disk = next(disk_iterator)
1019
except StopIteration:
1020
disk_finished = True
1022
def _walkdirs(self, prefix=u""):
1025
prefix = prefix.encode('utf-8')
1026
per_dir = defaultdict(set)
1028
per_dir[(u'', self.get_root_id())] = set()
1029
def add_entry(path, kind):
1030
if path == b'' or not path.startswith(prefix):
1032
(dirname, child_name) = posixpath.split(path)
1033
add_entry(dirname, 'directory')
1034
dirname = dirname.decode("utf-8")
1035
dir_file_id = self.path2id(dirname)
1036
if not isinstance(value, tuple) or len(value) != 10:
1037
raise ValueError(value)
1038
per_dir[(dirname, dir_file_id)].add(
1039
(path.decode("utf-8"), child_name.decode("utf-8"),
1041
self.path2id(path.decode("utf-8")),
1043
with self.lock_read():
1044
for path, value in self.index.iteritems():
1045
if self.mapping.is_special_file(path):
1047
if not path.startswith(prefix):
1049
add_entry(path, mode_kind(value.mode))
1050
return ((k, sorted(v)) for (k, v) in sorted(per_dir.items()))
1052
def get_shelf_manager(self):
1053
raise workingtree.ShelvingUnsupported()
1055
def store_uncommitted(self):
1056
raise errors.StoringUncommittedNotSupported(self)
1058
def apply_inventory_delta(self, changes):
1059
for (old_path, new_path, file_id, ie) in changes:
1060
if old_path is not None:
1061
(index, old_subpath) = self._lookup_index(old_path.encode('utf-8'))
1063
self._index_del_entry(index, old_subpath)
1067
self._versioned_dirs = None
1068
if new_path is not None and ie.kind != 'directory':
1069
if ie.kind == 'tree-reference':
1070
self._index_add_entry(
1072
reference_revision=ie.reference_revision)
1074
self._index_add_entry(new_path, ie.kind)
1077
def annotate_iter(self, path, file_id=None,
1078
default_revision=_mod_revision.CURRENT_REVISION):
1079
"""See Tree.annotate_iter
1081
This implementation will use the basis tree implementation if possible.
1082
Lines not in the basis are attributed to CURRENT_REVISION
1084
If there are pending merges, lines added by those merges will be
1085
incorrectly attributed to CURRENT_REVISION (but after committing, the
1086
attribution will be correct).
1088
with self.lock_read():
1089
maybe_file_parent_keys = []
1090
for parent_id in self.get_parent_ids():
1092
parent_tree = self.revision_tree(parent_id)
1093
except errors.NoSuchRevisionInTree:
1094
parent_tree = self.branch.repository.revision_tree(
1096
with parent_tree.lock_read():
1097
# TODO(jelmer): Use rename/copy tracker to find path name in parent
1100
kind = parent_tree.kind(parent_path)
1101
except errors.NoSuchFile:
1104
# Note: this is slightly unnecessary, because symlinks and
1105
# directories have a "text" which is the empty text, and we
1106
# know that won't mess up annotations. But it seems cleaner
1110
parent_tree.get_file_revision(parent_path))
1111
if parent_text_key not in maybe_file_parent_keys:
1112
maybe_file_parent_keys.append(parent_text_key)
1113
# Now we have the parents of this content
1114
from breezy.annotate import Annotator
1115
from .annotate import AnnotateProvider
1116
annotate_provider = AnnotateProvider(
1117
self.branch.repository._file_change_scanner)
1118
annotator = Annotator(annotate_provider)
1120
from breezy.graph import Graph
1121
graph = Graph(annotate_provider)
1122
heads = graph.heads(maybe_file_parent_keys)
1123
file_parent_keys = []
1124
for key in maybe_file_parent_keys:
1126
file_parent_keys.append(key)
1128
text = self.get_file_text(path)
1129
this_key = (path, default_revision)
1130
annotator.add_special_text(this_key, file_parent_keys, text)
1131
annotations = [(key[-1], line)
1132
for key, line in annotator.annotate_flat(this_key)]
1135
def _rename_one(self, from_rel, to_rel):
1136
os.rename(self.abspath(from_rel), self.abspath(to_rel))
1138
def _build_checkout_with_index(self):
1139
build_index_from_tree(
1140
self.user_transport.local_abspath('.'),
1141
self.control_transport.local_abspath("index"),
1143
None if self.branch.head is None else self.store[self.branch.head].tree)
1145
def reset_state(self, revision_ids=None):
1146
"""Reset the state of the working tree.
1148
This does a hard-reset to a last-known-good state. This is a way to
1149
fix if something got corrupted (like the .git/index file)
1151
with self.lock_tree_write():
1152
if revision_ids is not None:
1153
self.set_parent_ids(revision_ids)
1155
self._index_dirty = True
1156
if self.branch.head is not None:
1157
for entry in self.store.iter_tree_contents(self.store[self.branch.head].tree):
1158
if not validate_path(entry.path):
1161
if S_ISGITLINK(entry.mode):
1162
pass # TODO(jelmer): record and return submodule paths
1164
# Let's at least try to use the working tree file:
1166
st = self._lstat(self.abspath(entry.path.decode('utf-8')))
1168
# But if it doesn't exist, we'll make something up.
1169
obj = self.store[entry.sha]
1170
st = os.stat_result((entry.mode, 0, 0, 0,
1171
0, 0, len(obj.as_raw_string()), 0,
1173
(index, subpath) = self._lookup_index(entry.path)
1174
index[subpath] = index_entry_from_stat(st, entry.sha, 0)
1176
def pull(self, source, overwrite=False, stop_revision=None,
1177
change_reporter=None, possible_transports=None, local=False,
1179
with self.lock_write(), source.lock_read():
1180
old_revision = self.branch.last_revision()
1181
basis_tree = self.basis_tree()
1182
count = self.branch.pull(source, overwrite, stop_revision,
1183
possible_transports=possible_transports,
1185
new_revision = self.branch.last_revision()
1186
if new_revision != old_revision:
1187
with basis_tree.lock_read():
1188
new_basis_tree = self.branch.basis_tree()
1194
change_reporter=change_reporter,
1195
show_base=show_base)
1198
def add_reference(self, sub_tree):
1199
"""Add a TreeReference to the tree, pointing at sub_tree.
1201
:param sub_tree: subtree to add.
1203
with self.lock_tree_write():
1205
sub_tree_path = self.relpath(sub_tree.basedir)
1206
except errors.PathNotChild:
1207
raise BadReferenceTarget(
1208
self, sub_tree, 'Target not inside tree.')
1210
self._add([sub_tree_path], [None], ['tree-reference'])
1212
def _read_submodule_head(self, path):
1213
return read_submodule_head(self.abspath(path))
1215
def get_reference_revision(self, path, file_id=None):
1216
hexsha = self._read_submodule_head(path)
1218
return _mod_revision.NULL_REVISION
1219
return self.branch.lookup_foreign_revision_id(hexsha)
1221
def get_nested_tree(self, path, file_id=None):
1222
return workingtree.WorkingTree.open(self.abspath(path))
1224
def _directory_is_tree_reference(self, relpath):
1225
# as a special case, if a directory contains control files then
1226
# it's a tree reference, except that the root of the tree is not
1227
return relpath and osutils.lexists(self.abspath(relpath) + u"/.git")
1229
def extract(self, sub_path, file_id=None, format=None):
1230
"""Extract a subtree from this tree.
1232
A new branch will be created, relative to the path for this tree.
1235
segments = osutils.splitpath(path)
1236
transport = self.branch.controldir.root_transport
1237
for name in segments:
1238
transport = transport.clone(name)
1239
transport.ensure_base()
1242
with self.lock_tree_write():
1244
branch_transport = mkdirs(sub_path)
1246
format = self.controldir.cloning_metadir()
1247
branch_transport.ensure_base()
1248
branch_bzrdir = format.initialize_on_transport(branch_transport)
1250
repo = branch_bzrdir.find_repository()
1251
except errors.NoRepositoryPresent:
1252
repo = branch_bzrdir.create_repository()
1253
if not repo.supports_rich_root():
1254
raise errors.RootNotRich()
1255
new_branch = branch_bzrdir.create_branch()
1256
new_branch.pull(self.branch)
1257
for parent_id in self.get_parent_ids():
1258
new_branch.fetch(self.branch, parent_id)
1259
tree_transport = self.controldir.root_transport.clone(sub_path)
1260
if tree_transport.base != branch_transport.base:
1261
tree_bzrdir = format.initialize_on_transport(tree_transport)
1262
tree_bzrdir.set_branch_reference(new_branch)
1264
tree_bzrdir = branch_bzrdir
1265
wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
1266
wt.set_parent_ids(self.get_parent_ids())
1269
def _get_check_refs(self):
1270
"""Return the references needed to perform a check of this tree.
1272
The default implementation returns no refs, and is only suitable for
1273
trees that have no local caching and can commit on ghosts at any time.
1275
:seealso: breezy.check for details about check_refs.
1279
def copy_content_into(self, tree, revision_id=None):
1280
"""Copy the current content and user files of this tree into tree."""
1281
with self.lock_read():
1282
if revision_id is None:
1283
merge.transform_tree(tree, self)
1285
# TODO now merge from tree.last_revision to revision (to
1286
# preserve user local changes)
1288
other_tree = self.revision_tree(revision_id)
1289
except errors.NoSuchRevision:
1290
other_tree = self.branch.repository.revision_tree(
1293
merge.transform_tree(tree, other_tree)
1294
if revision_id == _mod_revision.NULL_REVISION:
1297
new_parents = [revision_id]
1298
tree.set_parent_ids(new_parents)
1301
class GitWorkingTreeFormat(workingtree.WorkingTreeFormat):
1303
_tree_class = GitWorkingTree
1305
supports_versioned_directories = False
1307
supports_setting_file_ids = False
1309
supports_store_uncommitted = False
1311
supports_leftmost_parent_id_as_ghost = False
1313
supports_righthand_parent_id_as_ghost = False
1315
requires_normalized_unicode_filenames = True
1317
supports_merge_modified = False
1320
def _matchingcontroldir(self):
1321
from .dir import LocalGitControlDirFormat
1322
return LocalGitControlDirFormat()
1324
def get_format_description(self):
1325
return "Git Working Tree"
1327
def initialize(self, a_controldir, revision_id=None, from_branch=None,
1328
accelerator_tree=None, hardlink=False):
1329
"""See WorkingTreeFormat.initialize()."""
1330
if not isinstance(a_controldir, LocalGitDir):
1331
raise errors.IncompatibleFormat(self, a_controldir)
1332
branch = a_controldir.open_branch(nascent_ok=True)
1333
if revision_id is not None:
1334
branch.set_last_revision(revision_id)
1335
wt = GitWorkingTree(
1336
a_controldir, a_controldir.open_repository(), branch)
1337
for hook in MutableTree.hooks['post_build_tree']:
added
removed
breezy/git/workingtree.py
