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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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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""WorkingTree object and friends.
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A WorkingTree represents the editable working copy of a branch.
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Operations which represent the WorkingTree are also done here,
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such as renaming or adding files. The WorkingTree has an inventory
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which is updated by these operations. A commit produces a
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Operations which represent the WorkingTree are also done here,
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such as renaming or adding files. The WorkingTree has an inventory
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which is updated by these operations. A commit produces a
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new revision based on the workingtree and its inventory.
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At the moment every WorkingTree has its own branch. Remote
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conflicts as _mod_conflicts,
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revision as _mod_revision,
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import bzrlib.branch
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from bzrlib.transport import get_transport
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from bzrlib.workingtree_4 import (
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from bzrlib.workingtree_4 import WorkingTreeFormat4
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from bzrlib import symbol_versioning
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.lockable_files import LockableFiles
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from bzrlib.inventory import InventoryEntry, Inventory, ROOT_ID, TreeReference
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from bzrlib.lockable_files import LockableFiles, TransportLock
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from bzrlib.lockdir import LockDir
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import bzrlib.mutabletree
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from bzrlib.mutabletree import needs_tree_write_lock
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from bzrlib import osutils
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from bzrlib.osutils import (
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supports_executable,
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from bzrlib.filters import filtered_input_file
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from bzrlib.trace import mutter, note
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from bzrlib.transport.local import LocalTransport
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from bzrlib.revision import CURRENT_REVISION
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from bzrlib.progress import DummyProgress, ProgressPhase
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from bzrlib.revision import NULL_REVISION, CURRENT_REVISION
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from bzrlib.rio import RioReader, rio_file, Stanza
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from bzrlib.symbol_versioning import (
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DEPRECATED_PARAMETER,
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from bzrlib.symbol_versioning import (deprecated_passed,
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DEPRECATED_PARAMETER,
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MERGE_MODIFIED_HEADER_1 = "BZR merge-modified list format 1"
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# TODO: Modifying the conflict objects or their type is currently nearly
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# impossible as there is no clear relationship between the working tree format
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# and the conflict list file format.
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CONFLICT_HEADER_1 = "BZR conflict list format 1"
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ERROR_PATH_NOT_FOUND = 3 # WindowsError errno code, equivalent to ENOENT
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self._control_files.break_lock()
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self.branch.break_lock()
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def _get_check_refs(self):
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"""Return the references needed to perform a check of this tree.
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The default implementation returns no refs, and is only suitable for
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trees that have no local caching and can commit on ghosts at any time.
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:seealso: bzrlib.check for details about check_refs.
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def requires_rich_root(self):
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return self._format.requires_rich_root
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def supports_tree_reference(self):
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def supports_content_filtering(self):
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return self._format.supports_content_filtering()
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def supports_views(self):
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return self.views.supports_views()
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def _set_inventory(self, inv, dirty):
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"""Set the internal cached inventory.
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# at this point ?
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return self.branch.repository.revision_tree(revision_id)
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except (errors.RevisionNotPresent, errors.NoSuchRevision):
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except errors.RevisionNotPresent:
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# the basis tree *may* be a ghost or a low level error may have
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# occurred. If the revision is present, its a problem, if its not
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# occured. If the revision is present, its a problem, if its not
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if self.branch.repository.has_revision(revision_id):
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# the basis tree is a ghost so return an empty tree.
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return self.branch.repository.revision_tree(
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_mod_revision.NULL_REVISION)
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return self.branch.repository.revision_tree(None)
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def _cleanup(self):
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self._flush_ignore_list_cache()
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def relpath(self, path):
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"""Return the local path portion from a given path.
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The path may be absolute or relative. If its a relative path it is
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The path may be absolute or relative. If its a relative path it is
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interpreted relative to the python current working directory.
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return osutils.relpath(self.basedir, path)
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def has_filename(self, filename):
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return osutils.lexists(self.abspath(filename))
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def get_file(self, file_id, path=None, filtered=True):
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return self.get_file_with_stat(file_id, path, filtered=filtered)[0]
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def get_file_with_stat(self, file_id, path=None, filtered=True,
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"""See Tree.get_file_with_stat."""
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def get_file(self, file_id, path=None):
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path = self.id2path(file_id)
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file_obj = self.get_file_byname(path, filtered=False)
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stat_value = _fstat(file_obj.fileno())
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if filtered and self.supports_content_filtering():
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filters = self._content_filter_stack(path)
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file_obj = filtered_input_file(file_obj, filters)
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return (file_obj, stat_value)
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def get_file_text(self, file_id, path=None, filtered=True):
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return self.get_file(file_id, path=path, filtered=filtered).read()
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def get_file_byname(self, filename, filtered=True):
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path = self.abspath(filename)
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if filtered and self.supports_content_filtering():
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filters = self._content_filter_stack(filename)
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return filtered_input_file(f, filters)
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def get_file_lines(self, file_id, path=None, filtered=True):
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"""See Tree.get_file_lines()"""
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file = self.get_file(file_id, path, filtered=filtered)
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return file.readlines()
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return self.get_file_byname(path)
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def get_file_text(self, file_id):
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return self.get_file(file_id).read()
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def get_file_byname(self, filename):
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return file(self.abspath(filename), 'rb')
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def annotate_iter(self, file_id, default_revision=CURRENT_REVISION):
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incorrectly attributed to CURRENT_REVISION (but after committing, the
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attribution will be correct).
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maybe_file_parent_keys = []
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for parent_id in self.get_parent_ids():
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parent_tree = self.revision_tree(parent_id)
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except errors.NoSuchRevisionInTree:
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parent_tree = self.branch.repository.revision_tree(parent_id)
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parent_tree.lock_read()
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if file_id not in parent_tree:
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ie = parent_tree.inventory[file_id]
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if ie.kind != 'file':
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# Note: this is slightly unnecessary, because symlinks and
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# directories have a "text" which is the empty text, and we
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# know that won't mess up annotations. But it seems cleaner
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parent_text_key = (file_id, ie.revision)
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if parent_text_key not in maybe_file_parent_keys:
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maybe_file_parent_keys.append(parent_text_key)
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graph = _mod_graph.Graph(self.branch.repository.texts)
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heads = graph.heads(maybe_file_parent_keys)
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file_parent_keys = []
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for key in maybe_file_parent_keys:
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file_parent_keys.append(key)
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# Now we have the parents of this content
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annotator = self.branch.repository.texts.get_annotator()
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text = self.get_file(file_id).read()
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this_key =(file_id, default_revision)
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annotator.add_special_text(this_key, file_parent_keys, text)
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annotations = [(key[-1], line)
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for key, line in annotator.annotate_flat(this_key)]
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basis = self.basis_tree()
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changes = self.iter_changes(basis, True, [self.id2path(file_id)],
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require_versioned=True).next()
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changed_content, kind = changes[2], changes[6]
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if not changed_content:
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return basis.annotate_iter(file_id)
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if kind[0] != 'file':
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old_lines = list(basis.annotate_iter(file_id))
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for tree in self.branch.repository.revision_trees(
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self.get_parent_ids()[1:]):
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if file_id not in tree:
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old.append(list(tree.annotate_iter(file_id)))
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return annotate.reannotate(old, self.get_file(file_id).readlines(),
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def _get_ancestors(self, default_revision):
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ancestors = set([default_revision])
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def clone(self, to_bzrdir, revision_id=None):
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"""Duplicate this working tree into to_bzr, including all state.
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Specifically modified files are kept as modified, but
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ignored and unknown files are discarded.
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If you want to make a new line of development, see bzrdir.sprout()
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If not None, the cloned tree will have its last revision set to
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revision, and difference between the source trees last revision
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If not None, the cloned tree will have its last revision set to
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revision, and and difference between the source trees last revision
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and this one merged in.
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# assumes the target bzr dir format is compatible.
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result = to_bzrdir.create_workingtree()
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result = self._format.initialize(to_bzrdir)
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self.copy_content_into(result, revision_id)
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kind = 'tree-reference'
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return kind, None, None, None
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elif kind == 'symlink':
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target = osutils.readlink(abspath)
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return ('symlink', None, None, target)
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return ('symlink', None, None, os.readlink(abspath))
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return (kind, None, None, None)
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def _file_content_summary(self, path, stat_result):
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size = stat_result.st_size
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executable = self._is_executable_from_path_and_stat(path, stat_result)
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# try for a stat cache lookup
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return ('file', size, executable, self._sha_from_stat(
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def _check_parents_for_ghosts(self, revision_ids, allow_leftmost_as_ghost):
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"""Common ghost checking functionality from set_parent_*.
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def _set_merges_from_parent_ids(self, parent_ids):
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merges = parent_ids[1:]
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self._transport.put_bytes('pending-merges', '\n'.join(merges),
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mode=self.bzrdir._get_file_mode())
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def _filter_parent_ids_by_ancestry(self, revision_ids):
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"""Check that all merged revisions are proper 'heads'.
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This will always return the first revision_id, and any merged revisions
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if len(revision_ids) == 0:
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graph = self.branch.repository.get_graph()
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heads = graph.heads(revision_ids)
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new_revision_ids = revision_ids[:1]
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for revision_id in revision_ids[1:]:
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if revision_id in heads and revision_id not in new_revision_ids:
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new_revision_ids.append(revision_id)
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if new_revision_ids != revision_ids:
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trace.mutter('requested to set revision_ids = %s,'
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' but filtered to %s', revision_ids, new_revision_ids)
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return new_revision_ids
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mode=self._control_files._file_mode)
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@needs_tree_write_lock
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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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branch.last_revision().
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from bzrlib.merge import Merger, Merge3Merger
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merger = Merger(self.branch, this_tree=self)
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# check that there are no local alterations
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if not force and self.has_changes():
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raise errors.UncommittedChanges(self)
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if to_revision is None:
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to_revision = _mod_revision.ensure_null(branch.last_revision())
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merger.other_rev_id = to_revision
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if _mod_revision.is_null(merger.other_rev_id):
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raise errors.NoCommits(branch)
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self.branch.fetch(branch, last_revision=merger.other_rev_id)
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merger.other_basis = merger.other_rev_id
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merger.other_tree = self.branch.repository.revision_tree(
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merger.other_branch = branch
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if from_revision is None:
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merger.set_base_revision(from_revision, branch)
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if merger.base_rev_id == merger.other_rev_id:
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raise errors.PointlessMerge
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merger.backup_files = False
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if merge_type is None:
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merger.merge_type = Merge3Merger
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merger.merge_type = merge_type
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merger.set_interesting_files(None)
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merger.show_base = False
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merger.reprocess = False
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conflicts = merger.do_merge()
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pb = bzrlib.ui.ui_factory.nested_progress_bar()
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merger = Merger(self.branch, this_tree=self, pb=pb)
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merger.pp = ProgressPhase("Merge phase", 5, pb)
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merger.pp.next_phase()
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# check that there are no
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merger.check_basis(check_clean=True, require_commits=False)
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if to_revision is None:
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to_revision = _mod_revision.ensure_null(branch.last_revision())
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merger.other_rev_id = to_revision
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if _mod_revision.is_null(merger.other_rev_id):
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raise errors.NoCommits(branch)
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self.branch.fetch(branch, last_revision=merger.other_rev_id)
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merger.other_basis = merger.other_rev_id
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merger.other_tree = self.branch.repository.revision_tree(
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merger.other_branch = branch
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merger.pp.next_phase()
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if from_revision is None:
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merger.set_base_revision(from_revision, branch)
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if merger.base_rev_id == merger.other_rev_id:
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raise errors.PointlessMerge
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merger.backup_files = False
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if merge_type is None:
849
merger.merge_type = Merge3Merger
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merger.merge_type = merge_type
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merger.set_interesting_files(None)
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merger.show_base = False
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merger.reprocess = False
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conflicts = merger.do_merge()
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def merge_modified(self):
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"""Return a dictionary of files modified by a merge.
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The list is initialized by WorkingTree.set_merge_modified, which is
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The list is initialized by WorkingTree.set_merge_modified, which is
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typically called after we make some automatic updates to the tree
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because of a merge.
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hashfile = self._transport.get('merge-hashes')
962
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except errors.NoSuchFile:
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if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
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raise errors.MergeModifiedFormatError()
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except StopIteration:
878
if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
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879
raise errors.MergeModifiedFormatError()
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for s in RioReader(hashfile):
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# RioReader reads in Unicode, so convert file_ids back to utf8
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file_id = osutils.safe_file_id(s.get("file_id"), warn=False)
974
if file_id not in self.inventory:
976
text_hash = s.get("hash")
977
if text_hash == self.get_file_sha1(file_id):
978
merge_hashes[file_id] = text_hash
880
except StopIteration:
881
raise errors.MergeModifiedFormatError()
882
for s in RioReader(hashfile):
883
# RioReader reads in Unicode, so convert file_ids back to utf8
884
file_id = osutils.safe_file_id(s.get("file_id"), warn=False)
885
if file_id not in self.inventory:
887
text_hash = s.get("hash")
888
if text_hash == self.get_file_sha1(file_id):
889
merge_hashes[file_id] = text_hash
983
892
@needs_write_lock
984
893
def mkdir(self, path, file_id=None):
1096
1003
tree_transport = self.bzrdir.root_transport.clone(sub_path)
1097
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if tree_transport.base != branch_transport.base:
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1005
tree_bzrdir = format.initialize_on_transport(tree_transport)
1099
branch.BranchReferenceFormat().initialize(tree_bzrdir,
1100
target_branch=new_branch)
1006
branch.BranchReferenceFormat().initialize(tree_bzrdir, new_branch)
1102
1008
tree_bzrdir = branch_bzrdir
1103
wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
1009
wt = tree_bzrdir.create_workingtree(NULL_REVISION)
1104
1010
wt.set_parent_ids(self.get_parent_ids())
1105
1011
my_inv = self.inventory
1106
child_inv = inventory.Inventory(root_id=None)
1012
child_inv = Inventory(root_id=None)
1107
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new_root = my_inv[file_id]
1108
1014
my_inv.remove_recursive_id(file_id)
1109
1015
new_root.parent_id = None
1128
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self._serialize(self._inventory, sio)
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self._transport.put_file('inventory', sio,
1131
mode=self.bzrdir._get_file_mode())
1037
mode=self._control_files._file_mode)
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1038
self._inventory_is_modified = False
1134
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def _kind(self, relpath):
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1041
return osutils.file_kind(self.abspath(relpath))
1137
def list_files(self, include_root=False, from_dir=None, recursive=True):
1138
"""List all files as (path, class, kind, id, entry).
1043
def list_files(self, include_root=False):
1044
"""Recursively list all files as (path, class, kind, id, entry).
1140
1046
Lists, but does not descend into unversioned directories.
1141
1048
This does not include files that have been deleted in this
1142
tree. Skips the control directory.
1144
:param include_root: if True, return an entry for the root
1145
:param from_dir: start from this directory or None for the root
1146
:param recursive: whether to recurse into subdirectories or not
1051
Skips the control directory.
1148
1053
# list_files is an iterator, so @needs_read_lock doesn't work properly
1149
1054
# with it. So callers should be careful to always read_lock the tree.
1164
1069
fk_entries = {'directory':TreeDirectory, 'file':TreeFile, 'symlink':TreeLink}
1166
1071
# directory file_id, relative path, absolute path, reverse sorted children
1167
if from_dir is not None:
1168
from_dir_id = inv.path2id(from_dir)
1169
if from_dir_id is None:
1170
# Directory not versioned
1172
from_dir_abspath = pathjoin(self.basedir, from_dir)
1174
from_dir_id = inv.root.file_id
1175
from_dir_abspath = self.basedir
1176
children = os.listdir(from_dir_abspath)
1072
children = os.listdir(self.basedir)
1177
1073
children.sort()
1178
# jam 20060527 The kernel sized tree seems equivalent whether we
1074
# jam 20060527 The kernel sized tree seems equivalent whether we
1179
1075
# use a deque and popleft to keep them sorted, or if we use a plain
1180
1076
# list and just reverse() them.
1181
1077
children = collections.deque(children)
1182
stack = [(from_dir_id, u'', from_dir_abspath, children)]
1078
stack = [(inv.root.file_id, u'', self.basedir, children)]
1184
1080
from_dir_id, from_dir_relpath, from_dir_abspath, children = stack[-1]
1239
1135
except KeyError:
1240
1136
yield fp[1:], c, fk, None, TreeEntry()
1243
1139
if fk != 'directory':
1246
# But do this child first if recursing down
1248
new_children = os.listdir(fap)
1250
new_children = collections.deque(new_children)
1251
stack.append((f_ie.file_id, fp, fap, new_children))
1252
# Break out of inner loop,
1253
# so that we start outer loop with child
1142
# But do this child first
1143
new_children = os.listdir(fap)
1145
new_children = collections.deque(new_children)
1146
stack.append((f_ie.file_id, fp, fap, new_children))
1147
# Break out of inner loop,
1148
# so that we start outer loop with child
1256
1151
# if we finished all children, pop it off the stack
1493
1387
from_tail = splitpath(from_rel)[-1]
1494
1388
from_id = inv.path2id(from_rel)
1495
1389
if from_id is None:
1496
# if file is missing in the inventory maybe it's in the basis_tree
1497
basis_tree = self.branch.basis_tree()
1498
from_id = basis_tree.path2id(from_rel)
1500
raise errors.BzrRenameFailedError(from_rel,to_rel,
1501
errors.NotVersionedError(path=str(from_rel)))
1502
# put entry back in the inventory so we can rename it
1503
from_entry = basis_tree.inventory[from_id].copy()
1506
from_entry = inv[from_id]
1390
raise errors.BzrRenameFailedError(from_rel,to_rel,
1391
errors.NotVersionedError(path=str(from_rel)))
1392
from_entry = inv[from_id]
1507
1393
from_parent_id = from_entry.parent_id
1508
1394
to_dir, to_tail = os.path.split(to_rel)
1509
1395
to_dir_id = inv.path2id(to_dir)
1571
1457
:raises: NoSuchId if any fileid is not currently versioned.
1573
1459
for file_id in file_ids:
1574
if file_id not in self._inventory:
1575
raise errors.NoSuchId(self, file_id)
1576
for file_id in file_ids:
1577
1460
if self._inventory.has_id(file_id):
1578
1461
self._inventory.remove_recursive_id(file_id)
1463
raise errors.NoSuchId(self, file_id)
1579
1464
if len(file_ids):
1580
# in the future this should just set a dirty bit to wait for the
1465
# in the future this should just set a dirty bit to wait for the
1581
1466
# final unlock. However, until all methods of workingtree start
1582
# with the current in -memory inventory rather than triggering
1467
# with the current in -memory inventory rather than triggering
1583
1468
# a read, it is more complex - we need to teach read_inventory
1584
1469
# to know when to read, and when to not read first... and possibly
1585
1470
# to save first when the in memory one may be corrupted.
1586
1471
# so for now, we just only write it if it is indeed dirty.
1587
1472
# - RBC 20060907
1588
1473
self._write_inventory(self._inventory)
1590
1475
def _iter_conflicts(self):
1591
1476
conflicted = set()
1592
1477
for info in self.list_files():
1601
1486
@needs_write_lock
1602
1487
def pull(self, source, overwrite=False, stop_revision=None,
1603
change_reporter=None, possible_transports=None, local=False):
1488
change_reporter=None, possible_transports=None):
1489
top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1604
1490
source.lock_read()
1492
pp = ProgressPhase("Pull phase", 2, top_pb)
1606
1494
old_revision_info = self.branch.last_revision_info()
1607
1495
basis_tree = self.basis_tree()
1608
1496
count = self.branch.pull(source, overwrite, stop_revision,
1609
possible_transports=possible_transports,
1497
possible_transports=possible_transports)
1611
1498
new_revision_info = self.branch.last_revision_info()
1612
1499
if new_revision_info != old_revision_info:
1613
1501
repository = self.branch.repository
1502
pb = bzrlib.ui.ui_factory.nested_progress_bar()
1614
1503
basis_tree.lock_read()
1616
1505
new_basis_tree = self.branch.basis_tree()
1619
1508
new_basis_tree,
1621
1510
this_tree=self,
1623
1512
change_reporter=change_reporter)
1624
basis_root_id = basis_tree.get_root_id()
1625
new_root_id = new_basis_tree.get_root_id()
1626
if basis_root_id != new_root_id:
1627
self.set_root_id(new_root_id)
1513
if (basis_tree.inventory.root is None and
1514
new_basis_tree.inventory.root is not None):
1515
self.set_root_id(new_basis_tree.get_root_id())
1629
1518
basis_tree.unlock()
1630
1519
# TODO - dedup parents list with things merged by pull ?
1631
1520
# reuse the revisiontree we merged against to set the new
1633
1522
parent_trees = [(self.branch.last_revision(), new_basis_tree)]
1634
# we have to pull the merge trees out again, because
1635
# merge_inner has set the ids. - this corner is not yet
1523
# we have to pull the merge trees out again, because
1524
# merge_inner has set the ids. - this corner is not yet
1636
1525
# layered well enough to prevent double handling.
1637
1526
# XXX TODO: Fix the double handling: telling the tree about
1638
1527
# the already known parent data is wasteful.
1886
1763
# as commit already has that ready-to-use [while the format is the
1887
1764
# same, that is].
1889
# this double handles the inventory - unpack and repack -
1766
# this double handles the inventory - unpack and repack -
1890
1767
# but is easier to understand. We can/should put a conditional
1891
1768
# in here based on whether the inventory is in the latest format
1892
1769
# - perhaps we should repack all inventories on a repository
1894
1771
# the fast path is to copy the raw xml from the repository. If the
1895
# xml contains 'revision_id="', then we assume the right
1772
# xml contains 'revision_id="', then we assume the right
1896
1773
# revision_id is set. We must check for this full string, because a
1897
1774
# root node id can legitimately look like 'revision_id' but cannot
1898
1775
# contain a '"'.
1899
xml = self.branch.repository._get_inventory_xml(new_revision)
1776
xml = self.branch.repository.get_inventory_xml(new_revision)
1900
1777
firstline = xml.split('\n', 1)[0]
1901
if (not 'revision_id="' in firstline or
1778
if (not 'revision_id="' in firstline or
1902
1779
'format="7"' not in firstline):
1903
inv = self.branch.repository._serializer.read_inventory_from_string(
1780
inv = self.branch.repository.deserialise_inventory(
1905
1782
xml = self._create_basis_xml_from_inventory(new_revision, inv)
1906
1783
self._write_basis_inventory(xml)
1907
1784
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1911
1788
"""Read the cached basis inventory."""
1912
1789
path = self._basis_inventory_name()
1913
1790
return self._transport.get_bytes(path)
1915
1792
@needs_read_lock
1916
1793
def read_working_inventory(self):
1917
1794
"""Read the working inventory.
1919
1796
:raises errors.InventoryModified: read_working_inventory will fail
1920
1797
when the current in memory inventory has been modified.
1922
# conceptually this should be an implementation detail of the tree.
1799
# conceptually this should be an implementation detail of the tree.
1923
1800
# XXX: Deprecate this.
1924
1801
# ElementTree does its own conversion from UTF-8, so open in
1926
1803
if self._inventory_is_modified:
1927
1804
raise errors.InventoryModified(self)
1928
f = self._transport.get('inventory')
1930
result = self._deserialize(f)
1805
result = self._deserialize(self._transport.get('inventory'))
1933
1806
self._set_inventory(result, dirty=False)
1951
1824
new_files=set()
1952
1825
unknown_nested_files=set()
1954
to_file = sys.stdout
1956
1827
def recurse_directory_to_add_files(directory):
1957
1828
# Recurse directory and add all files
1958
1829
# so we can check if they have changed.
1959
1830
for parent_info, file_infos in\
1960
self.walkdirs(directory):
1961
for relpath, basename, kind, lstat, fileid, kind in file_infos:
1831
osutils.walkdirs(self.abspath(directory),
1833
for relpath, basename, kind, lstat, abspath in file_infos:
1962
1834
# Is it versioned or ignored?
1963
1835
if self.path2id(relpath) or self.is_ignored(relpath):
1964
1836
# Add nested content for deletion.
2178
2051
def unlock(self):
2179
2052
"""See Branch.unlock.
2181
2054
WorkingTree locking just uses the Branch locking facilities.
2182
2055
This is current because all working trees have an embedded branch
2183
2056
within them. IF in the future, we were to make branch data shareable
2184
between multiple working trees, i.e. via shared storage, then we
2057
between multiple working trees, i.e. via shared storage, then we
2185
2058
would probably want to lock both the local tree, and the branch.
2187
2060
raise NotImplementedError(self.unlock)
2191
def update(self, change_reporter=None, possible_transports=None,
2192
revision=None, old_tip=_marker):
2062
def update(self, change_reporter=None, possible_transports=None):
2193
2063
"""Update a working tree along its branch.
2195
2065
This will update the branch if its bound too, which means we have
2249
2112
# cant set that until we update the working trees last revision to be
2250
2113
# one from the new branch, because it will just get absorbed by the
2251
2114
# parent de-duplication logic.
2253
2116
# We MUST save it even if an error occurs, because otherwise the users
2254
2117
# local work is unreferenced and will appear to have been lost.
2258
2121
last_rev = self.get_parent_ids()[0]
2259
2122
except IndexError:
2260
2123
last_rev = _mod_revision.NULL_REVISION
2261
if revision is None:
2262
revision = self.branch.last_revision()
2264
old_tip = old_tip or _mod_revision.NULL_REVISION
2266
if not _mod_revision.is_null(old_tip) and old_tip != last_rev:
2267
# the branch we are bound to was updated
2268
# merge those changes in first
2269
base_tree = self.basis_tree()
2270
other_tree = self.branch.repository.revision_tree(old_tip)
2271
nb_conflicts = merge.merge_inner(self.branch, other_tree,
2272
base_tree, this_tree=self,
2273
change_reporter=change_reporter)
2275
self.add_parent_tree((old_tip, other_tree))
2276
trace.note('Rerun update after fixing the conflicts.')
2279
if last_rev != _mod_revision.ensure_null(revision):
2280
# the working tree is up to date with the branch
2281
# we can merge the specified revision from master
2282
to_tree = self.branch.repository.revision_tree(revision)
2283
to_root_id = to_tree.get_root_id()
2124
if last_rev != _mod_revision.ensure_null(self.branch.last_revision()):
2125
# merge tree state up to new branch tip.
2285
2126
basis = self.basis_tree()
2286
2127
basis.lock_read()
2288
if (basis.inventory.root is None
2289
or basis.inventory.root.file_id != to_root_id):
2290
self.set_root_id(to_root_id)
2129
to_tree = self.branch.basis_tree()
2130
if basis.inventory.root is None:
2131
self.set_root_id(to_tree.get_root_id())
2133
result += merge.merge_inner(
2138
change_reporter=change_reporter)
2295
# determine the branch point
2296
graph = self.branch.repository.get_graph()
2297
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2299
base_tree = self.branch.repository.revision_tree(base_rev_id)
2301
nb_conflicts = merge.merge_inner(self.branch, to_tree, base_tree,
2303
change_reporter=change_reporter)
2304
self.set_last_revision(revision)
2305
2141
# TODO - dedup parents list with things merged by pull ?
2306
2142
# reuse the tree we've updated to to set the basis:
2307
parent_trees = [(revision, to_tree)]
2143
parent_trees = [(self.branch.last_revision(), to_tree)]
2308
2144
merges = self.get_parent_ids()[1:]
2309
2145
# Ideally we ask the tree for the trees here, that way the working
2310
# tree can decide whether to give us the entire tree or give us a
2146
# tree can decide whether to give us teh entire tree or give us a
2311
2147
# lazy initialised tree. dirstate for instance will have the trees
2312
2148
# in ram already, whereas a last-revision + basis-inventory tree
2313
2149
# will not, but also does not need them when setting parents.
2314
2150
for parent in merges:
2315
2151
parent_trees.append(
2316
2152
(parent, self.branch.repository.revision_tree(parent)))
2317
if not _mod_revision.is_null(old_tip):
2153
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2318
2154
parent_trees.append(
2319
2155
(old_tip, self.branch.repository.revision_tree(old_tip)))
2320
2156
self.set_parent_trees(parent_trees)
2321
2157
last_rev = parent_trees[0][0]
2159
# the working tree had the same last-revision as the master
2160
# branch did. We may still have pivot local work from the local
2161
# branch into old_tip:
2162
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2163
self.add_parent_tree_id(old_tip)
2164
if (old_tip is not None and not _mod_revision.is_null(old_tip)
2165
and old_tip != last_rev):
2166
# our last revision was not the prior branch last revision
2167
# and we have converted that last revision to a pending merge.
2168
# base is somewhere between the branch tip now
2169
# and the now pending merge
2171
# Since we just modified the working tree and inventory, flush out
2172
# the current state, before we modify it again.
2173
# TODO: jam 20070214 WorkingTree3 doesn't require this, dirstate
2174
# requires it only because TreeTransform directly munges the
2175
# inventory and calls tree._write_inventory(). Ultimately we
2176
# should be able to remove this extra flush.
2178
graph = self.branch.repository.get_graph()
2179
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2181
base_tree = self.branch.repository.revision_tree(base_rev_id)
2182
other_tree = self.branch.repository.revision_tree(old_tip)
2183
result += merge.merge_inner(
2188
change_reporter=change_reporter)
2324
2191
def _write_hashcache_if_dirty(self):
2325
2192
"""Write out the hashcache if it is dirty."""
2523
2388
# FIXME: stash the node in pending
2524
2389
entry = inv[top_id]
2525
if entry.kind == 'directory':
2526
for name, child in entry.sorted_children():
2527
dirblock.append((relroot + name, name, child.kind, None,
2528
child.file_id, child.kind
2390
for name, child in entry.sorted_children():
2391
dirblock.append((relroot + name, name, child.kind, None,
2392
child.file_id, child.kind
2530
2394
yield (currentdir[0], entry.file_id), dirblock
2531
2395
# push the user specified dirs from dirblock
2532
2396
for dir in reversed(dirblock):
2598
def _get_rules_searcher(self, default_searcher):
2599
"""See Tree._get_rules_searcher."""
2600
if self._rules_searcher is None:
2601
self._rules_searcher = super(WorkingTree,
2602
self)._get_rules_searcher(default_searcher)
2603
return self._rules_searcher
2605
def get_shelf_manager(self):
2606
"""Return the ShelfManager for this WorkingTree."""
2607
from bzrlib.shelf import ShelfManager
2608
return ShelfManager(self, self._transport)
2611
2444
class WorkingTree2(WorkingTree):
2612
2445
"""This is the Format 2 working tree.
2614
This was the first weave based working tree.
2447
This was the first weave based working tree.
2615
2448
- uses os locks for locking.
2616
2449
- uses the branch last-revision.
2848
2662
"""See WorkingTreeFormat.get_format_description()."""
2849
2663
return "Working tree format 2"
2851
def _stub_initialize_on_transport(self, transport, file_mode):
2852
"""Workaround: create control files for a remote working tree.
2665
def stub_initialize_remote(self, control_files):
2666
"""As a special workaround create critical control files for a remote working tree
2854
2668
This ensures that it can later be updated and dealt with locally,
2855
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
2669
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
2856
2670
no working tree. (See bug #43064).
2858
2672
sio = StringIO()
2859
inv = inventory.Inventory()
2860
2674
xml5.serializer_v5.write_inventory(inv, sio, working=True)
2862
transport.put_file('inventory', sio, file_mode)
2863
transport.put_bytes('pending-merges', '', file_mode)
2676
control_files._transport.put_file('inventory', sio,
2677
mode=control_files._file_mode)
2678
control_files._transport.put_bytes('pending-merges', '',
2679
mode=control_files._file_mode)
2865
2682
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
2866
2683
accelerator_tree=None, hardlink=False):