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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.lock import LogicalLockResult
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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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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:
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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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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')
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except errors.NoSuchFile:
968
if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
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raise errors.MergeModifiedFormatError()
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except StopIteration:
901
if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
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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)
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if file_id not in self.inventory:
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text_hash = s.get("hash")
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if text_hash == self.get_file_sha1(file_id):
979
merge_hashes[file_id] = text_hash
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except StopIteration:
904
raise errors.MergeModifiedFormatError()
905
for s in RioReader(hashfile):
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# RioReader reads in Unicode, so convert file_ids back to utf8
907
file_id = osutils.safe_file_id(s.get("file_id"), warn=False)
908
if file_id not in self.inventory:
910
text_hash = s.get("hash")
911
if text_hash == self.get_file_sha1(file_id):
912
merge_hashes[file_id] = text_hash
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@needs_write_lock
985
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def mkdir(self, path, file_id=None):
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1026
tree_transport = self.bzrdir.root_transport.clone(sub_path)
1098
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if tree_transport.base != branch_transport.base:
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1028
tree_bzrdir = format.initialize_on_transport(tree_transport)
1100
branch.BranchReferenceFormat().initialize(tree_bzrdir,
1101
target_branch=new_branch)
1029
branch.BranchReferenceFormat().initialize(tree_bzrdir, new_branch)
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1031
tree_bzrdir = branch_bzrdir
1104
wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
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wt = tree_bzrdir.create_workingtree(NULL_REVISION)
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1033
wt.set_parent_ids(self.get_parent_ids())
1106
1034
my_inv = self.inventory
1107
child_inv = inventory.Inventory(root_id=None)
1035
child_inv = Inventory(root_id=None)
1108
1036
new_root = my_inv[file_id]
1109
1037
my_inv.remove_recursive_id(file_id)
1110
1038
new_root.parent_id = None
1129
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self._serialize(self._inventory, sio)
1131
1059
self._transport.put_file('inventory', sio,
1132
mode=self.bzrdir._get_file_mode())
1060
mode=self._control_files._file_mode)
1133
1061
self._inventory_is_modified = False
1135
1063
def _kind(self, relpath):
1136
1064
return osutils.file_kind(self.abspath(relpath))
1138
def list_files(self, include_root=False, from_dir=None, recursive=True):
1139
"""List all files as (path, class, kind, id, entry).
1066
def list_files(self, include_root=False):
1067
"""Recursively list all files as (path, class, kind, id, entry).
1141
1069
Lists, but does not descend into unversioned directories.
1142
1071
This does not include files that have been deleted in this
1143
tree. Skips the control directory.
1145
:param include_root: if True, return an entry for the root
1146
:param from_dir: start from this directory or None for the root
1147
:param recursive: whether to recurse into subdirectories or not
1074
Skips the control directory.
1149
1076
# list_files is an iterator, so @needs_read_lock doesn't work properly
1150
1077
# with it. So callers should be careful to always read_lock the tree.
1165
1092
fk_entries = {'directory':TreeDirectory, 'file':TreeFile, 'symlink':TreeLink}
1167
1094
# directory file_id, relative path, absolute path, reverse sorted children
1168
if from_dir is not None:
1169
from_dir_id = inv.path2id(from_dir)
1170
if from_dir_id is None:
1171
# Directory not versioned
1173
from_dir_abspath = pathjoin(self.basedir, from_dir)
1175
from_dir_id = inv.root.file_id
1176
from_dir_abspath = self.basedir
1177
children = os.listdir(from_dir_abspath)
1095
children = os.listdir(self.basedir)
1178
1096
children.sort()
1179
# jam 20060527 The kernel sized tree seems equivalent whether we
1097
# jam 20060527 The kernel sized tree seems equivalent whether we
1180
1098
# use a deque and popleft to keep them sorted, or if we use a plain
1181
1099
# list and just reverse() them.
1182
1100
children = collections.deque(children)
1183
stack = [(from_dir_id, u'', from_dir_abspath, children)]
1101
stack = [(inv.root.file_id, u'', self.basedir, children)]
1185
1103
from_dir_id, from_dir_relpath, from_dir_abspath, children = stack[-1]
1240
1158
except KeyError:
1241
1159
yield fp[1:], c, fk, None, TreeEntry()
1244
1162
if fk != 'directory':
1247
# But do this child first if recursing down
1249
new_children = os.listdir(fap)
1251
new_children = collections.deque(new_children)
1252
stack.append((f_ie.file_id, fp, fap, new_children))
1253
# Break out of inner loop,
1254
# so that we start outer loop with child
1165
# But do this child first
1166
new_children = os.listdir(fap)
1168
new_children = collections.deque(new_children)
1169
stack.append((f_ie.file_id, fp, fap, new_children))
1170
# Break out of inner loop,
1171
# so that we start outer loop with child
1257
1174
# if we finished all children, pop it off the stack
1494
1410
from_tail = splitpath(from_rel)[-1]
1495
1411
from_id = inv.path2id(from_rel)
1496
1412
if from_id is None:
1497
# if file is missing in the inventory maybe it's in the basis_tree
1498
basis_tree = self.branch.basis_tree()
1499
from_id = basis_tree.path2id(from_rel)
1501
raise errors.BzrRenameFailedError(from_rel,to_rel,
1502
errors.NotVersionedError(path=str(from_rel)))
1503
# put entry back in the inventory so we can rename it
1504
from_entry = basis_tree.inventory[from_id].copy()
1507
from_entry = inv[from_id]
1413
raise errors.BzrRenameFailedError(from_rel,to_rel,
1414
errors.NotVersionedError(path=str(from_rel)))
1415
from_entry = inv[from_id]
1508
1416
from_parent_id = from_entry.parent_id
1509
1417
to_dir, to_tail = os.path.split(to_rel)
1510
1418
to_dir_id = inv.path2id(to_dir)
1572
1480
:raises: NoSuchId if any fileid is not currently versioned.
1574
1482
for file_id in file_ids:
1575
if file_id not in self._inventory:
1576
raise errors.NoSuchId(self, file_id)
1577
for file_id in file_ids:
1578
1483
if self._inventory.has_id(file_id):
1579
1484
self._inventory.remove_recursive_id(file_id)
1486
raise errors.NoSuchId(self, file_id)
1580
1487
if len(file_ids):
1581
# in the future this should just set a dirty bit to wait for the
1488
# in the future this should just set a dirty bit to wait for the
1582
1489
# final unlock. However, until all methods of workingtree start
1583
# with the current in -memory inventory rather than triggering
1490
# with the current in -memory inventory rather than triggering
1584
1491
# a read, it is more complex - we need to teach read_inventory
1585
1492
# to know when to read, and when to not read first... and possibly
1586
1493
# to save first when the in memory one may be corrupted.
1587
1494
# so for now, we just only write it if it is indeed dirty.
1588
1495
# - RBC 20060907
1589
1496
self._write_inventory(self._inventory)
1591
1498
def _iter_conflicts(self):
1592
1499
conflicted = set()
1593
1500
for info in self.list_files():
1602
1509
@needs_write_lock
1603
1510
def pull(self, source, overwrite=False, stop_revision=None,
1604
change_reporter=None, possible_transports=None, local=False):
1511
change_reporter=None, possible_transports=None):
1512
top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1605
1513
source.lock_read()
1515
pp = ProgressPhase("Pull phase", 2, top_pb)
1607
1517
old_revision_info = self.branch.last_revision_info()
1608
1518
basis_tree = self.basis_tree()
1609
1519
count = self.branch.pull(source, overwrite, stop_revision,
1610
possible_transports=possible_transports,
1520
possible_transports=possible_transports)
1612
1521
new_revision_info = self.branch.last_revision_info()
1613
1522
if new_revision_info != old_revision_info:
1614
1524
repository = self.branch.repository
1525
pb = bzrlib.ui.ui_factory.nested_progress_bar()
1615
1526
basis_tree.lock_read()
1617
1528
new_basis_tree = self.branch.basis_tree()
1620
1531
new_basis_tree,
1622
1533
this_tree=self,
1624
1535
change_reporter=change_reporter)
1625
basis_root_id = basis_tree.get_root_id()
1626
new_root_id = new_basis_tree.get_root_id()
1627
if basis_root_id != new_root_id:
1628
self.set_root_id(new_root_id)
1536
if (basis_tree.inventory.root is None and
1537
new_basis_tree.inventory.root is not None):
1538
self.set_root_id(new_basis_tree.get_root_id())
1630
1541
basis_tree.unlock()
1631
1542
# TODO - dedup parents list with things merged by pull ?
1632
1543
# reuse the revisiontree we merged against to set the new
1634
1545
parent_trees = [(self.branch.last_revision(), new_basis_tree)]
1635
# we have to pull the merge trees out again, because
1636
# merge_inner has set the ids. - this corner is not yet
1546
# we have to pull the merge trees out again, because
1547
# merge_inner has set the ids. - this corner is not yet
1637
1548
# layered well enough to prevent double handling.
1638
1549
# XXX TODO: Fix the double handling: telling the tree about
1639
1550
# the already known parent data is wasteful.
1799
1702
raise errors.ObjectNotLocked(self)
1801
1704
def lock_read(self):
1802
"""Lock the tree for reading.
1804
This also locks the branch, and can be unlocked via self.unlock().
1806
:return: A bzrlib.lock.LogicalLockResult.
1705
"""See Branch.lock_read, and WorkingTree.unlock."""
1808
1706
if not self.is_locked():
1809
1707
self._reset_data()
1810
1708
self.branch.lock_read()
1812
self._control_files.lock_read()
1813
return LogicalLockResult(self.unlock)
1710
return self._control_files.lock_read()
1815
1712
self.branch.unlock()
1818
1715
def lock_tree_write(self):
1819
"""See MutableTree.lock_tree_write, and WorkingTree.unlock.
1821
:return: A bzrlib.lock.LogicalLockResult.
1716
"""See MutableTree.lock_tree_write, and WorkingTree.unlock."""
1823
1717
if not self.is_locked():
1824
1718
self._reset_data()
1825
1719
self.branch.lock_read()
1827
self._control_files.lock_write()
1828
return LogicalLockResult(self.unlock)
1721
return self._control_files.lock_write()
1830
1723
self.branch.unlock()
1833
1726
def lock_write(self):
1834
"""See MutableTree.lock_write, and WorkingTree.unlock.
1836
:return: A bzrlib.lock.LogicalLockResult.
1727
"""See MutableTree.lock_write, and WorkingTree.unlock."""
1838
1728
if not self.is_locked():
1839
1729
self._reset_data()
1840
1730
self.branch.lock_write()
1842
self._control_files.lock_write()
1843
return LogicalLockResult(self.unlock)
1732
return self._control_files.lock_write()
1845
1734
self.branch.unlock()
1901
1786
# as commit already has that ready-to-use [while the format is the
1902
1787
# same, that is].
1904
# this double handles the inventory - unpack and repack -
1789
# this double handles the inventory - unpack and repack -
1905
1790
# but is easier to understand. We can/should put a conditional
1906
1791
# in here based on whether the inventory is in the latest format
1907
1792
# - perhaps we should repack all inventories on a repository
1909
1794
# the fast path is to copy the raw xml from the repository. If the
1910
# xml contains 'revision_id="', then we assume the right
1795
# xml contains 'revision_id="', then we assume the right
1911
1796
# revision_id is set. We must check for this full string, because a
1912
1797
# root node id can legitimately look like 'revision_id' but cannot
1913
1798
# contain a '"'.
1914
xml = self.branch.repository._get_inventory_xml(new_revision)
1799
xml = self.branch.repository.get_inventory_xml(new_revision)
1915
1800
firstline = xml.split('\n', 1)[0]
1916
if (not 'revision_id="' in firstline or
1801
if (not 'revision_id="' in firstline or
1917
1802
'format="7"' not in firstline):
1918
inv = self.branch.repository._serializer.read_inventory_from_string(
1803
inv = self.branch.repository.deserialise_inventory(
1920
1805
xml = self._create_basis_xml_from_inventory(new_revision, inv)
1921
1806
self._write_basis_inventory(xml)
1922
1807
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1926
1811
"""Read the cached basis inventory."""
1927
1812
path = self._basis_inventory_name()
1928
1813
return self._transport.get_bytes(path)
1930
1815
@needs_read_lock
1931
1816
def read_working_inventory(self):
1932
1817
"""Read the working inventory.
1934
1819
:raises errors.InventoryModified: read_working_inventory will fail
1935
1820
when the current in memory inventory has been modified.
1937
# conceptually this should be an implementation detail of the tree.
1822
# conceptually this should be an implementation detail of the tree.
1938
1823
# XXX: Deprecate this.
1939
1824
# ElementTree does its own conversion from UTF-8, so open in
1941
1826
if self._inventory_is_modified:
1942
1827
raise errors.InventoryModified(self)
1943
f = self._transport.get('inventory')
1945
result = self._deserialize(f)
1828
result = self._deserialize(self._transport.get('inventory'))
1948
1829
self._set_inventory(result, dirty=False)
1966
1847
new_files=set()
1967
1848
unknown_nested_files=set()
1969
to_file = sys.stdout
1971
1850
def recurse_directory_to_add_files(directory):
1972
1851
# Recurse directory and add all files
1973
1852
# so we can check if they have changed.
1974
1853
for parent_info, file_infos in\
1975
self.walkdirs(directory):
1976
for relpath, basename, kind, lstat, fileid, kind in file_infos:
1854
osutils.walkdirs(self.abspath(directory),
1856
for relpath, basename, kind, lstat, abspath in file_infos:
1977
1857
# Is it versioned or ignored?
1978
1858
if self.path2id(relpath) or self.is_ignored(relpath):
1979
1859
# Add nested content for deletion.
2193
2074
def unlock(self):
2194
2075
"""See Branch.unlock.
2196
2077
WorkingTree locking just uses the Branch locking facilities.
2197
2078
This is current because all working trees have an embedded branch
2198
2079
within them. IF in the future, we were to make branch data shareable
2199
between multiple working trees, i.e. via shared storage, then we
2080
between multiple working trees, i.e. via shared storage, then we
2200
2081
would probably want to lock both the local tree, and the branch.
2202
2083
raise NotImplementedError(self.unlock)
2206
def update(self, change_reporter=None, possible_transports=None,
2207
revision=None, old_tip=_marker):
2085
def update(self, change_reporter=None, possible_transports=None):
2208
2086
"""Update a working tree along its branch.
2210
2088
This will update the branch if its bound too, which means we have
2264
2135
# cant set that until we update the working trees last revision to be
2265
2136
# one from the new branch, because it will just get absorbed by the
2266
2137
# parent de-duplication logic.
2268
2139
# We MUST save it even if an error occurs, because otherwise the users
2269
2140
# local work is unreferenced and will appear to have been lost.
2273
2144
last_rev = self.get_parent_ids()[0]
2274
2145
except IndexError:
2275
2146
last_rev = _mod_revision.NULL_REVISION
2276
if revision is None:
2277
revision = self.branch.last_revision()
2279
old_tip = old_tip or _mod_revision.NULL_REVISION
2281
if not _mod_revision.is_null(old_tip) and old_tip != last_rev:
2282
# the branch we are bound to was updated
2283
# merge those changes in first
2284
base_tree = self.basis_tree()
2285
other_tree = self.branch.repository.revision_tree(old_tip)
2286
nb_conflicts = merge.merge_inner(self.branch, other_tree,
2287
base_tree, this_tree=self,
2288
change_reporter=change_reporter)
2290
self.add_parent_tree((old_tip, other_tree))
2291
trace.note('Rerun update after fixing the conflicts.')
2294
if last_rev != _mod_revision.ensure_null(revision):
2295
# the working tree is up to date with the branch
2296
# we can merge the specified revision from master
2297
to_tree = self.branch.repository.revision_tree(revision)
2298
to_root_id = to_tree.get_root_id()
2147
if last_rev != _mod_revision.ensure_null(self.branch.last_revision()):
2148
# merge tree state up to new branch tip.
2300
2149
basis = self.basis_tree()
2301
2150
basis.lock_read()
2303
if (basis.inventory.root is None
2304
or basis.inventory.root.file_id != to_root_id):
2305
self.set_root_id(to_root_id)
2152
to_tree = self.branch.basis_tree()
2153
if basis.inventory.root is None:
2154
self.set_root_id(to_tree.get_root_id())
2156
result += merge.merge_inner(
2161
change_reporter=change_reporter)
2310
# determine the branch point
2311
graph = self.branch.repository.get_graph()
2312
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2314
base_tree = self.branch.repository.revision_tree(base_rev_id)
2316
nb_conflicts = merge.merge_inner(self.branch, to_tree, base_tree,
2318
change_reporter=change_reporter)
2319
self.set_last_revision(revision)
2320
2164
# TODO - dedup parents list with things merged by pull ?
2321
2165
# reuse the tree we've updated to to set the basis:
2322
parent_trees = [(revision, to_tree)]
2166
parent_trees = [(self.branch.last_revision(), to_tree)]
2323
2167
merges = self.get_parent_ids()[1:]
2324
2168
# Ideally we ask the tree for the trees here, that way the working
2325
# tree can decide whether to give us the entire tree or give us a
2169
# tree can decide whether to give us teh entire tree or give us a
2326
2170
# lazy initialised tree. dirstate for instance will have the trees
2327
2171
# in ram already, whereas a last-revision + basis-inventory tree
2328
2172
# will not, but also does not need them when setting parents.
2329
2173
for parent in merges:
2330
2174
parent_trees.append(
2331
2175
(parent, self.branch.repository.revision_tree(parent)))
2332
if not _mod_revision.is_null(old_tip):
2176
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2333
2177
parent_trees.append(
2334
2178
(old_tip, self.branch.repository.revision_tree(old_tip)))
2335
2179
self.set_parent_trees(parent_trees)
2336
2180
last_rev = parent_trees[0][0]
2182
# the working tree had the same last-revision as the master
2183
# branch did. We may still have pivot local work from the local
2184
# branch into old_tip:
2185
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2186
self.add_parent_tree_id(old_tip)
2187
if (old_tip is not None and not _mod_revision.is_null(old_tip)
2188
and old_tip != last_rev):
2189
# our last revision was not the prior branch last revision
2190
# and we have converted that last revision to a pending merge.
2191
# base is somewhere between the branch tip now
2192
# and the now pending merge
2194
# Since we just modified the working tree and inventory, flush out
2195
# the current state, before we modify it again.
2196
# TODO: jam 20070214 WorkingTree3 doesn't require this, dirstate
2197
# requires it only because TreeTransform directly munges the
2198
# inventory and calls tree._write_inventory(). Ultimately we
2199
# should be able to remove this extra flush.
2201
graph = self.branch.repository.get_graph()
2202
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2204
base_tree = self.branch.repository.revision_tree(base_rev_id)
2205
other_tree = self.branch.repository.revision_tree(old_tip)
2206
result += merge.merge_inner(
2211
change_reporter=change_reporter)
2339
2214
def _write_hashcache_if_dirty(self):
2340
2215
"""Write out the hashcache if it is dirty."""
2538
2411
# FIXME: stash the node in pending
2539
2412
entry = inv[top_id]
2540
if entry.kind == 'directory':
2541
for name, child in entry.sorted_children():
2542
dirblock.append((relroot + name, name, child.kind, None,
2543
child.file_id, child.kind
2413
for name, child in entry.sorted_children():
2414
dirblock.append((relroot + name, name, child.kind, None,
2415
child.file_id, child.kind
2545
2417
yield (currentdir[0], entry.file_id), dirblock
2546
2418
# push the user specified dirs from dirblock
2547
2419
for dir in reversed(dirblock):
2613
def _get_rules_searcher(self, default_searcher):
2614
"""See Tree._get_rules_searcher."""
2615
if self._rules_searcher is None:
2616
self._rules_searcher = super(WorkingTree,
2617
self)._get_rules_searcher(default_searcher)
2618
return self._rules_searcher
2620
def get_shelf_manager(self):
2621
"""Return the ShelfManager for this WorkingTree."""
2622
from bzrlib.shelf import ShelfManager
2623
return ShelfManager(self, self._transport)
2626
2467
class WorkingTree2(WorkingTree):
2627
2468
"""This is the Format 2 working tree.
2629
This was the first weave based working tree.
2470
This was the first weave based working tree.
2630
2471
- uses os locks for locking.
2631
2472
- uses the branch last-revision.
2867
2685
"""See WorkingTreeFormat.get_format_description()."""
2868
2686
return "Working tree format 2"
2870
def _stub_initialize_on_transport(self, transport, file_mode):
2871
"""Workaround: create control files for a remote working tree.
2688
def _stub_initialize_remote(self, branch):
2689
"""As a special workaround create critical control files for a remote working tree.
2873
2691
This ensures that it can later be updated and dealt with locally,
2874
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
2692
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
2875
2693
no working tree. (See bug #43064).
2877
2695
sio = StringIO()
2878
inv = inventory.Inventory()
2879
2697
xml5.serializer_v5.write_inventory(inv, sio, working=True)
2881
transport.put_file('inventory', sio, file_mode)
2882
transport.put_bytes('pending-merges', '', file_mode)
2699
branch._transport.put_file('inventory', sio,
2700
mode=branch.control_files._file_mode)
2701
branch._transport.put_bytes('pending-merges', '',
2702
mode=branch.control_files._file_mode)
2884
2705
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
2885
2706
accelerator_tree=None, hardlink=False):