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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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@deprecated_function(zero_thirteen)
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def gen_file_id(name):
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"""Return new file id for the basename 'name'.
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Use bzrlib.generate_ids.gen_file_id() instead
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return generate_ids.gen_file_id(name)
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@deprecated_function(zero_thirteen)
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"""Return a new tree-root file id.
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This has been deprecated in favor of bzrlib.generate_ids.gen_root_id()
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return generate_ids.gen_root_id()
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class TreeEntry(object):
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"""An entry that implements the minimum interface used by commands.
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This needs further inspection, it may be better to have
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This needs further inspection, it may be better to have
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InventoryEntries without ids - though that seems wrong. For now,
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this is a parallel hierarchy to InventoryEntry, and needs to become
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one of several things: decorates to that hierarchy, children of, or
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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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@deprecated_method(zero_eight)
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def create(branch, directory):
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"""Create a workingtree for branch at directory.
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If existing_directory already exists it must have a .bzr directory.
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If it does not exist, it will be created.
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This returns a new WorkingTree object for the new checkout.
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TODO FIXME RBC 20060124 when we have checkout formats in place this
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should accept an optional revisionid to checkout [and reject this if
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checking out into the same dir as a pre-checkout-aware branch format.]
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XXX: When BzrDir is present, these should be created through that
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warnings.warn('delete WorkingTree.create', stacklevel=3)
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transport = get_transport(directory)
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if branch.bzrdir.root_transport.base == transport.base:
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return branch.bzrdir.create_workingtree()
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# different directory,
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# create a branch reference
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# and now a working tree.
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raise NotImplementedError
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@deprecated_method(zero_eight)
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def create_standalone(directory):
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"""Create a checkout and a branch and a repo at directory.
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Directory must exist and be empty.
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please use BzrDir.create_standalone_workingtree
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return bzrdir.BzrDir.create_standalone_workingtree(directory)
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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
780
return ('file', size, executable, self._sha_from_stat(
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@deprecated_method(zero_eleven)
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def pending_merges(self):
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"""Return a list of pending merges.
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These are revisions that have been merged into the working
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directory but not yet committed.
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As of 0.11 this is deprecated. Please see WorkingTree.get_parent_ids()
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instead - which is available on all tree objects.
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return self.get_parent_ids()[1:]
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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)
814
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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self._control_files.put_bytes('pending-merges', '\n'.join(merges))
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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
915
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branch.last_revision().
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from bzrlib.merge import Merger, Merge3Merger
918
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():
921
raise errors.UncommittedChanges(self)
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if to_revision is None:
923
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):
926
raise errors.NoCommits(branch)
927
self.branch.fetch(branch, last_revision=merger.other_rev_id)
928
merger.other_basis = merger.other_rev_id
929
merger.other_tree = self.branch.repository.revision_tree(
931
merger.other_branch = branch
932
if from_revision is None:
935
merger.set_base_revision(from_revision, branch)
936
if merger.base_rev_id == merger.other_rev_id:
937
raise errors.PointlessMerge
938
merger.backup_files = False
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if merge_type is None:
940
merger.merge_type = Merge3Merger
942
merger.merge_type = merge_type
943
merger.set_interesting_files(None)
944
merger.show_base = False
945
merger.reprocess = False
946
conflicts = merger.do_merge()
898
pb = bzrlib.ui.ui_factory.nested_progress_bar()
900
merger = Merger(self.branch, this_tree=self, pb=pb)
901
merger.pp = ProgressPhase("Merge phase", 5, pb)
902
merger.pp.next_phase()
903
# check that there are no
905
merger.check_basis(check_clean=True, require_commits=False)
906
if to_revision is None:
907
to_revision = _mod_revision.ensure_null(branch.last_revision())
908
merger.other_rev_id = to_revision
909
if _mod_revision.is_null(merger.other_rev_id):
910
raise errors.NoCommits(branch)
911
self.branch.fetch(branch, last_revision=merger.other_rev_id)
912
merger.other_basis = merger.other_rev_id
913
merger.other_tree = self.branch.repository.revision_tree(
915
merger.other_branch = branch
916
merger.pp.next_phase()
917
if from_revision is None:
920
merger.set_base_revision(from_revision, branch)
921
if merger.base_rev_id == merger.other_rev_id:
922
raise errors.PointlessMerge
923
merger.backup_files = False
924
if merge_type is None:
925
merger.merge_type = Merge3Merger
927
merger.merge_type = merge_type
928
merger.set_interesting_files(None)
929
merger.show_base = False
930
merger.reprocess = False
931
conflicts = merger.do_merge()
951
938
def merge_modified(self):
952
939
"""Return a dictionary of files modified by a merge.
954
The list is initialized by WorkingTree.set_merge_modified, which is
941
The list is initialized by WorkingTree.set_merge_modified, which is
955
942
typically called after we make some automatic updates to the tree
956
943
because of a merge.
959
946
still in the working inventory and have that text hash.
962
hashfile = self._transport.get('merge-hashes')
949
hashfile = self._control_files.get('merge-hashes')
963
950
except errors.NoSuchFile:
968
if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
969
raise errors.MergeModifiedFormatError()
970
except StopIteration:
954
if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
971
955
raise errors.MergeModifiedFormatError()
972
for s in RioReader(hashfile):
973
# RioReader reads in Unicode, so convert file_ids back to utf8
974
file_id = osutils.safe_file_id(s.get("file_id"), warn=False)
975
if file_id not in self.inventory:
977
text_hash = s.get("hash")
978
if text_hash == self.get_file_sha1(file_id):
979
merge_hashes[file_id] = text_hash
956
except StopIteration:
957
raise errors.MergeModifiedFormatError()
958
for s in RioReader(hashfile):
959
# RioReader reads in Unicode, so convert file_ids back to utf8
960
file_id = osutils.safe_file_id(s.get("file_id"), warn=False)
961
if file_id not in self.inventory:
963
text_hash = s.get("hash")
964
if text_hash == self.get_file_sha1(file_id):
965
merge_hashes[file_id] = text_hash
984
968
@needs_write_lock
985
969
def mkdir(self, path, file_id=None):
1097
1079
tree_transport = self.bzrdir.root_transport.clone(sub_path)
1098
1080
if tree_transport.base != branch_transport.base:
1099
1081
tree_bzrdir = format.initialize_on_transport(tree_transport)
1100
branch.BranchReferenceFormat().initialize(tree_bzrdir,
1101
target_branch=new_branch)
1082
branch.BranchReferenceFormat().initialize(tree_bzrdir, new_branch)
1103
1084
tree_bzrdir = branch_bzrdir
1104
wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
1085
wt = tree_bzrdir.create_workingtree(NULL_REVISION)
1105
1086
wt.set_parent_ids(self.get_parent_ids())
1106
1087
my_inv = self.inventory
1107
child_inv = inventory.Inventory(root_id=None)
1088
child_inv = Inventory(root_id=None)
1108
1089
new_root = my_inv[file_id]
1109
1090
my_inv.remove_recursive_id(file_id)
1110
1091
new_root.parent_id = None
1128
1109
sio = StringIO()
1129
1110
self._serialize(self._inventory, sio)
1131
self._transport.put_file('inventory', sio,
1132
mode=self.bzrdir._get_file_mode())
1112
self._control_files.put('inventory', sio)
1133
1113
self._inventory_is_modified = False
1135
1115
def _kind(self, relpath):
1136
1116
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).
1118
def list_files(self, include_root=False):
1119
"""Recursively list all files as (path, class, kind, id, entry).
1141
1121
Lists, but does not descend into unversioned directories.
1142
1123
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
1126
Skips the control directory.
1149
1128
# list_files is an iterator, so @needs_read_lock doesn't work properly
1150
1129
# with it. So callers should be careful to always read_lock the tree.
1165
1144
fk_entries = {'directory':TreeDirectory, 'file':TreeFile, 'symlink':TreeLink}
1167
1146
# 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)
1147
children = os.listdir(self.basedir)
1178
1148
children.sort()
1179
# jam 20060527 The kernel sized tree seems equivalent whether we
1149
# jam 20060527 The kernel sized tree seems equivalent whether we
1180
1150
# use a deque and popleft to keep them sorted, or if we use a plain
1181
1151
# list and just reverse() them.
1182
1152
children = collections.deque(children)
1183
stack = [(from_dir_id, u'', from_dir_abspath, children)]
1153
stack = [(inv.root.file_id, u'', self.basedir, children)]
1185
1155
from_dir_id, from_dir_relpath, from_dir_abspath, children = stack[-1]
1240
1210
except KeyError:
1241
1211
yield fp[1:], c, fk, None, TreeEntry()
1244
1214
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
1217
# But do this child first
1218
new_children = os.listdir(fap)
1220
new_children = collections.deque(new_children)
1221
stack.append((f_ie.file_id, fp, fap, new_children))
1222
# Break out of inner loop,
1223
# so that we start outer loop with child
1257
1226
# if we finished all children, pop it off the stack
1494
1461
from_tail = splitpath(from_rel)[-1]
1495
1462
from_id = inv.path2id(from_rel)
1496
1463
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]
1464
raise errors.BzrRenameFailedError(from_rel,to_rel,
1465
errors.NotVersionedError(path=str(from_rel)))
1466
from_entry = inv[from_id]
1508
1467
from_parent_id = from_entry.parent_id
1509
1468
to_dir, to_tail = os.path.split(to_rel)
1510
1469
to_dir_id = inv.path2id(to_dir)
1572
1531
:raises: NoSuchId if any fileid is not currently versioned.
1574
1533
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
1534
if self._inventory.has_id(file_id):
1579
1535
self._inventory.remove_recursive_id(file_id)
1537
raise errors.NoSuchId(self, file_id)
1580
1538
if len(file_ids):
1581
# in the future this should just set a dirty bit to wait for the
1539
# in the future this should just set a dirty bit to wait for the
1582
1540
# final unlock. However, until all methods of workingtree start
1583
# with the current in -memory inventory rather than triggering
1541
# with the current in -memory inventory rather than triggering
1584
1542
# a read, it is more complex - we need to teach read_inventory
1585
1543
# to know when to read, and when to not read first... and possibly
1586
1544
# to save first when the in memory one may be corrupted.
1587
1545
# so for now, we just only write it if it is indeed dirty.
1588
1546
# - RBC 20060907
1589
1547
self._write_inventory(self._inventory)
1549
@deprecated_method(zero_eight)
1550
def iter_conflicts(self):
1551
"""List all files in the tree that have text or content conflicts.
1552
DEPRECATED. Use conflicts instead."""
1553
return self._iter_conflicts()
1591
1555
def _iter_conflicts(self):
1592
1556
conflicted = set()
1602
1566
@needs_write_lock
1603
1567
def pull(self, source, overwrite=False, stop_revision=None,
1604
change_reporter=None, possible_transports=None, local=False):
1568
change_reporter=None, possible_transports=None):
1569
top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1605
1570
source.lock_read()
1572
pp = ProgressPhase("Pull phase", 2, top_pb)
1607
1574
old_revision_info = self.branch.last_revision_info()
1608
1575
basis_tree = self.basis_tree()
1609
1576
count = self.branch.pull(source, overwrite, stop_revision,
1610
possible_transports=possible_transports,
1577
possible_transports=possible_transports)
1612
1578
new_revision_info = self.branch.last_revision_info()
1613
1579
if new_revision_info != old_revision_info:
1614
1581
repository = self.branch.repository
1582
pb = bzrlib.ui.ui_factory.nested_progress_bar()
1615
1583
basis_tree.lock_read()
1617
1585
new_basis_tree = self.branch.basis_tree()
1620
1588
new_basis_tree,
1622
1590
this_tree=self,
1624
1592
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)
1593
if (basis_tree.inventory.root is None and
1594
new_basis_tree.inventory.root is not None):
1595
self.set_root_id(new_basis_tree.get_root_id())
1630
1598
basis_tree.unlock()
1631
1599
# TODO - dedup parents list with things merged by pull ?
1632
1600
# reuse the revisiontree we merged against to set the new
1634
1602
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
1603
# we have to pull the merge trees out again, because
1604
# merge_inner has set the ids. - this corner is not yet
1637
1605
# layered well enough to prevent double handling.
1638
1606
# XXX TODO: Fix the double handling: telling the tree about
1639
1607
# the already known parent data is wasteful.
1799
1759
raise errors.ObjectNotLocked(self)
1801
1761
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.
1762
"""See Branch.lock_read, and WorkingTree.unlock."""
1808
1763
if not self.is_locked():
1809
1764
self._reset_data()
1810
1765
self.branch.lock_read()
1812
self._control_files.lock_read()
1813
return LogicalLockResult(self.unlock)
1767
return self._control_files.lock_read()
1815
1769
self.branch.unlock()
1818
1772
def lock_tree_write(self):
1819
"""See MutableTree.lock_tree_write, and WorkingTree.unlock.
1821
:return: A bzrlib.lock.LogicalLockResult.
1773
"""See MutableTree.lock_tree_write, and WorkingTree.unlock."""
1823
1774
if not self.is_locked():
1824
1775
self._reset_data()
1825
1776
self.branch.lock_read()
1827
self._control_files.lock_write()
1828
return LogicalLockResult(self.unlock)
1778
return self._control_files.lock_write()
1830
1780
self.branch.unlock()
1833
1783
def lock_write(self):
1834
"""See MutableTree.lock_write, and WorkingTree.unlock.
1836
:return: A bzrlib.lock.LogicalLockResult.
1784
"""See MutableTree.lock_write, and WorkingTree.unlock."""
1838
1785
if not self.is_locked():
1839
1786
self._reset_data()
1840
1787
self.branch.lock_write()
1842
self._control_files.lock_write()
1843
return LogicalLockResult(self.unlock)
1789
return self._control_files.lock_write()
1845
1791
self.branch.unlock()
1901
1843
# as commit already has that ready-to-use [while the format is the
1902
1844
# same, that is].
1904
# this double handles the inventory - unpack and repack -
1846
# this double handles the inventory - unpack and repack -
1905
1847
# but is easier to understand. We can/should put a conditional
1906
1848
# in here based on whether the inventory is in the latest format
1907
1849
# - perhaps we should repack all inventories on a repository
1909
1851
# the fast path is to copy the raw xml from the repository. If the
1910
# xml contains 'revision_id="', then we assume the right
1852
# xml contains 'revision_id="', then we assume the right
1911
1853
# revision_id is set. We must check for this full string, because a
1912
1854
# root node id can legitimately look like 'revision_id' but cannot
1913
1855
# contain a '"'.
1914
xml = self.branch.repository._get_inventory_xml(new_revision)
1856
xml = self.branch.repository.get_inventory_xml(new_revision)
1915
1857
firstline = xml.split('\n', 1)[0]
1916
if (not 'revision_id="' in firstline or
1858
if (not 'revision_id="' in firstline or
1917
1859
'format="7"' not in firstline):
1918
inv = self.branch.repository._serializer.read_inventory_from_string(
1860
inv = self.branch.repository.deserialise_inventory(
1920
1862
xml = self._create_basis_xml_from_inventory(new_revision, inv)
1921
1863
self._write_basis_inventory(xml)
1922
1864
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1925
1867
def read_basis_inventory(self):
1926
1868
"""Read the cached basis inventory."""
1927
1869
path = self._basis_inventory_name()
1928
return self._transport.get_bytes(path)
1870
return self._control_files.get(path).read()
1930
1872
@needs_read_lock
1931
1873
def read_working_inventory(self):
1932
1874
"""Read the working inventory.
1934
1876
:raises errors.InventoryModified: read_working_inventory will fail
1935
1877
when the current in memory inventory has been modified.
1937
# conceptually this should be an implementation detail of the tree.
1879
# conceptually this should be an implementation detail of the tree.
1938
1880
# XXX: Deprecate this.
1939
1881
# ElementTree does its own conversion from UTF-8, so open in
1941
1883
if self._inventory_is_modified:
1942
1884
raise errors.InventoryModified(self)
1943
f = self._transport.get('inventory')
1945
result = self._deserialize(f)
1885
result = self._deserialize(self._control_files.get('inventory'))
1948
1886
self._set_inventory(result, dirty=False)
1966
1904
new_files=set()
1967
1905
unknown_nested_files=set()
1969
to_file = sys.stdout
1971
1907
def recurse_directory_to_add_files(directory):
1972
1908
# Recurse directory and add all files
1973
1909
# so we can check if they have changed.
1974
for parent_info, file_infos in self.walkdirs(directory):
1975
for relpath, basename, kind, lstat, fileid, kind in file_infos:
1910
for parent_info, file_infos in\
1911
osutils.walkdirs(self.abspath(directory),
1913
for relpath, basename, kind, lstat, abspath in file_infos:
1976
1914
# Is it versioned or ignored?
1977
1915
if self.path2id(relpath) or self.is_ignored(relpath):
1978
1916
# Add nested content for deletion.
2158
2095
@needs_tree_write_lock
2159
2096
def set_root_id(self, file_id):
2160
2097
"""Set the root id for this tree."""
2162
2099
if file_id is None:
2164
'WorkingTree.set_root_id with fileid=None')
2165
file_id = osutils.safe_file_id(file_id)
2100
symbol_versioning.warn(symbol_versioning.zero_twelve
2101
% 'WorkingTree.set_root_id with fileid=None',
2106
file_id = osutils.safe_file_id(file_id)
2166
2107
self._set_root_id(file_id)
2168
2109
def _set_root_id(self, file_id):
2169
2110
"""Set the root id for this tree, in a format specific manner.
2171
:param file_id: The file id to assign to the root. It must not be
2112
:param file_id: The file id to assign to the root. It must not be
2172
2113
present in the current inventory or an error will occur. It must
2173
2114
not be None, but rather a valid file id.
2194
2135
def unlock(self):
2195
2136
"""See Branch.unlock.
2197
2138
WorkingTree locking just uses the Branch locking facilities.
2198
2139
This is current because all working trees have an embedded branch
2199
2140
within them. IF in the future, we were to make branch data shareable
2200
between multiple working trees, i.e. via shared storage, then we
2141
between multiple working trees, i.e. via shared storage, then we
2201
2142
would probably want to lock both the local tree, and the branch.
2203
2144
raise NotImplementedError(self.unlock)
2207
def update(self, change_reporter=None, possible_transports=None,
2208
revision=None, old_tip=_marker):
2146
def update(self, change_reporter=None, possible_transports=None):
2209
2147
"""Update a working tree along its branch.
2211
2149
This will update the branch if its bound too, which means we have
2265
2196
# cant set that until we update the working trees last revision to be
2266
2197
# one from the new branch, because it will just get absorbed by the
2267
2198
# parent de-duplication logic.
2269
2200
# We MUST save it even if an error occurs, because otherwise the users
2270
2201
# local work is unreferenced and will appear to have been lost.
2274
2205
last_rev = self.get_parent_ids()[0]
2275
2206
except IndexError:
2276
2207
last_rev = _mod_revision.NULL_REVISION
2277
if revision is None:
2278
revision = self.branch.last_revision()
2280
old_tip = old_tip or _mod_revision.NULL_REVISION
2282
if not _mod_revision.is_null(old_tip) and old_tip != last_rev:
2283
# the branch we are bound to was updated
2284
# merge those changes in first
2285
base_tree = self.basis_tree()
2286
other_tree = self.branch.repository.revision_tree(old_tip)
2287
nb_conflicts = merge.merge_inner(self.branch, other_tree,
2288
base_tree, this_tree=self,
2289
change_reporter=change_reporter)
2291
self.add_parent_tree((old_tip, other_tree))
2292
trace.note('Rerun update after fixing the conflicts.')
2295
if last_rev != _mod_revision.ensure_null(revision):
2296
# the working tree is up to date with the branch
2297
# we can merge the specified revision from master
2298
to_tree = self.branch.repository.revision_tree(revision)
2299
to_root_id = to_tree.get_root_id()
2208
if last_rev != _mod_revision.ensure_null(self.branch.last_revision()):
2209
# merge tree state up to new branch tip.
2301
2210
basis = self.basis_tree()
2302
2211
basis.lock_read()
2304
if (basis.inventory.root is None
2305
or basis.inventory.root.file_id != to_root_id):
2306
self.set_root_id(to_root_id)
2213
to_tree = self.branch.basis_tree()
2214
if basis.inventory.root is None:
2215
self.set_root_id(to_tree.get_root_id())
2217
result += merge.merge_inner(
2222
change_reporter=change_reporter)
2311
# determine the branch point
2312
graph = self.branch.repository.get_graph()
2313
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2315
base_tree = self.branch.repository.revision_tree(base_rev_id)
2317
nb_conflicts = merge.merge_inner(self.branch, to_tree, base_tree,
2319
change_reporter=change_reporter)
2320
self.set_last_revision(revision)
2321
2225
# TODO - dedup parents list with things merged by pull ?
2322
2226
# reuse the tree we've updated to to set the basis:
2323
parent_trees = [(revision, to_tree)]
2227
parent_trees = [(self.branch.last_revision(), to_tree)]
2324
2228
merges = self.get_parent_ids()[1:]
2325
2229
# Ideally we ask the tree for the trees here, that way the working
2326
# tree can decide whether to give us the entire tree or give us a
2230
# tree can decide whether to give us teh entire tree or give us a
2327
2231
# lazy initialised tree. dirstate for instance will have the trees
2328
2232
# in ram already, whereas a last-revision + basis-inventory tree
2329
2233
# will not, but also does not need them when setting parents.
2330
2234
for parent in merges:
2331
2235
parent_trees.append(
2332
2236
(parent, self.branch.repository.revision_tree(parent)))
2333
if not _mod_revision.is_null(old_tip):
2237
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2334
2238
parent_trees.append(
2335
2239
(old_tip, self.branch.repository.revision_tree(old_tip)))
2336
2240
self.set_parent_trees(parent_trees)
2337
2241
last_rev = parent_trees[0][0]
2243
# the working tree had the same last-revision as the master
2244
# branch did. We may still have pivot local work from the local
2245
# branch into old_tip:
2246
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2247
self.add_parent_tree_id(old_tip)
2248
if (old_tip is not None and not _mod_revision.is_null(old_tip)
2249
and old_tip != last_rev):
2250
# our last revision was not the prior branch last revision
2251
# and we have converted that last revision to a pending merge.
2252
# base is somewhere between the branch tip now
2253
# and the now pending merge
2255
# Since we just modified the working tree and inventory, flush out
2256
# the current state, before we modify it again.
2257
# TODO: jam 20070214 WorkingTree3 doesn't require this, dirstate
2258
# requires it only because TreeTransform directly munges the
2259
# inventory and calls tree._write_inventory(). Ultimately we
2260
# should be able to remove this extra flush.
2262
graph = self.branch.repository.get_graph()
2263
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2265
base_tree = self.branch.repository.revision_tree(base_rev_id)
2266
other_tree = self.branch.repository.revision_tree(old_tip)
2267
result += merge.merge_inner(
2272
change_reporter=change_reporter)
2340
2275
def _write_hashcache_if_dirty(self):
2341
2276
"""Write out the hashcache if it is dirty."""
2539
2472
# FIXME: stash the node in pending
2540
2473
entry = inv[top_id]
2541
if entry.kind == 'directory':
2542
for name, child in entry.sorted_children():
2543
dirblock.append((relroot + name, name, child.kind, None,
2544
child.file_id, child.kind
2474
for name, child in entry.sorted_children():
2475
dirblock.append((relroot + name, name, child.kind, None,
2476
child.file_id, child.kind
2546
2478
yield (currentdir[0], entry.file_id), dirblock
2547
2479
# push the user specified dirs from dirblock
2548
2480
for dir in reversed(dirblock):
2614
def _get_rules_searcher(self, default_searcher):
2615
"""See Tree._get_rules_searcher."""
2616
if self._rules_searcher is None:
2617
self._rules_searcher = super(WorkingTree,
2618
self)._get_rules_searcher(default_searcher)
2619
return self._rules_searcher
2621
def get_shelf_manager(self):
2622
"""Return the ShelfManager for this WorkingTree."""
2623
from bzrlib.shelf import ShelfManager
2624
return ShelfManager(self, self._transport)
2627
2528
class WorkingTree2(WorkingTree):
2628
2529
"""This is the Format 2 working tree.
2630
This was the first weave based working tree.
2531
This was the first weave based working tree.
2631
2532
- uses os locks for locking.
2632
2533
- uses the branch last-revision.
2696
2589
def _last_revision(self):
2697
2590
"""See Mutable.last_revision."""
2699
return self._transport.get_bytes('last-revision')
2592
return self._control_files.get('last-revision').read()
2700
2593
except errors.NoSuchFile:
2701
2594
return _mod_revision.NULL_REVISION
2703
2596
def _change_last_revision(self, revision_id):
2704
2597
"""See WorkingTree._change_last_revision."""
2705
if revision_id is None or revision_id == _mod_revision.NULL_REVISION:
2598
if revision_id is None or revision_id == NULL_REVISION:
2707
self._transport.delete('last-revision')
2600
self._control_files._transport.delete('last-revision')
2708
2601
except errors.NoSuchFile:
2712
self._transport.put_bytes('last-revision', revision_id,
2713
mode=self.bzrdir._get_file_mode())
2605
self._control_files.put_bytes('last-revision', revision_id)
2716
def _get_check_refs(self):
2717
"""Return the references needed to perform a check of this tree."""
2718
return [('trees', self.last_revision())]
2720
2608
@needs_tree_write_lock
2721
2609
def set_conflicts(self, conflicts):
2722
self._put_rio('conflicts', conflicts.to_stanzas(),
2610
self._put_rio('conflicts', conflicts.to_stanzas(),
2723
2611
CONFLICT_HEADER_1)
2725
2613
@needs_tree_write_lock
2868
2762
"""See WorkingTreeFormat.get_format_description()."""
2869
2763
return "Working tree format 2"
2871
def _stub_initialize_on_transport(self, transport, file_mode):
2872
"""Workaround: create control files for a remote working tree.
2765
def stub_initialize_remote(self, control_files):
2766
"""As a special workaround create critical control files for a remote working tree
2874
2768
This ensures that it can later be updated and dealt with locally,
2875
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
2769
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
2876
2770
no working tree. (See bug #43064).
2878
2772
sio = StringIO()
2879
inv = inventory.Inventory()
2880
2774
xml5.serializer_v5.write_inventory(inv, sio, working=True)
2882
transport.put_file('inventory', sio, file_mode)
2883
transport.put_bytes('pending-merges', '', file_mode)
2776
control_files.put('inventory', sio)
2778
control_files.put_bytes('pending-merges', '')
2885
2781
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
2886
2782
accelerator_tree=None, hardlink=False):
added
removed
bzrlib/workingtree.py
