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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""WorkingTree object and friends.
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A WorkingTree represents the editable working copy of a branch.
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Operations which represent the WorkingTree are also done here,
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such as renaming or adding files. The WorkingTree has an inventory
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which is updated by these operations. A commit produces a
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Operations which represent the WorkingTree are also done here,
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such as renaming or adding files. The WorkingTree has an inventory
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which is updated by these operations. A commit produces a
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new revision based on the workingtree and its inventory.
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At the moment every WorkingTree has its own branch. Remote
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conflicts as _mod_conflicts,
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revision as _mod_revision,
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import bzrlib.branch
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from bzrlib.transport import get_transport
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from bzrlib.workingtree_4 import (
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from bzrlib.workingtree_4 import WorkingTreeFormat4
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from bzrlib import symbol_versioning
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.lockable_files import LockableFiles
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from bzrlib.inventory import InventoryEntry, Inventory, ROOT_ID, TreeReference
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from bzrlib.lockable_files import LockableFiles, TransportLock
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from bzrlib.lockdir import LockDir
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import bzrlib.mutabletree
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from bzrlib.mutabletree import needs_tree_write_lock
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from bzrlib import osutils
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from bzrlib.osutils import (
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supports_executable,
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from bzrlib.filters import filtered_input_file
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from bzrlib.trace import mutter, note
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from bzrlib.transport.local import LocalTransport
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from bzrlib.revision import CURRENT_REVISION
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from bzrlib.progress import DummyProgress, ProgressPhase
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from bzrlib.revision import NULL_REVISION, CURRENT_REVISION
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from bzrlib.rio import RioReader, rio_file, Stanza
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from bzrlib.symbol_versioning import (
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DEPRECATED_PARAMETER,
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from bzrlib.symbol_versioning import (deprecated_passed,
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DEPRECATED_PARAMETER,
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MERGE_MODIFIED_HEADER_1 = "BZR merge-modified list format 1"
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# TODO: Modifying the conflict objects or their type is currently nearly
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# impossible as there is no clear relationship between the working tree format
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# and the conflict list file format.
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CONFLICT_HEADER_1 = "BZR conflict list format 1"
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ERROR_PATH_NOT_FOUND = 3 # WindowsError errno code, equivalent to ENOENT
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@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)
771
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
779
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.
757
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),
797
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
805
if len(revision_ids) == 0:
807
graph = self.branch.repository.get_graph()
808
heads = graph.heads(revision_ids)
809
new_revision_ids = revision_ids[:1]
810
for revision_id in revision_ids[1:]:
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if revision_id in heads and revision_id not in new_revision_ids:
812
new_revision_ids.append(revision_id)
813
if new_revision_ids != revision_ids:
814
trace.mutter('requested to set revision_ids = %s,'
815
' but filtered to %s', revision_ids, new_revision_ids)
816
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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780
for each element of revision_ids from the trees repository. If you have
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781
tree data already available, it is more efficient to use
914
866
branch.last_revision().
916
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from bzrlib.merge import Merger, Merge3Merger
917
merger = Merger(self.branch, this_tree=self)
918
# check that there are no local alterations
919
if not force and self.has_changes():
920
raise errors.UncommittedChanges(self)
921
if to_revision is None:
922
to_revision = _mod_revision.ensure_null(branch.last_revision())
923
merger.other_rev_id = to_revision
924
if _mod_revision.is_null(merger.other_rev_id):
925
raise errors.NoCommits(branch)
926
self.branch.fetch(branch, last_revision=merger.other_rev_id)
927
merger.other_basis = merger.other_rev_id
928
merger.other_tree = self.branch.repository.revision_tree(
930
merger.other_branch = branch
931
if from_revision is None:
934
merger.set_base_revision(from_revision, branch)
935
if merger.base_rev_id == merger.other_rev_id:
936
raise errors.PointlessMerge
937
merger.backup_files = False
938
if merge_type is None:
939
merger.merge_type = Merge3Merger
941
merger.merge_type = merge_type
942
merger.set_interesting_files(None)
943
merger.show_base = False
944
merger.reprocess = False
945
conflicts = merger.do_merge()
869
pb = bzrlib.ui.ui_factory.nested_progress_bar()
871
merger = Merger(self.branch, this_tree=self, pb=pb)
872
merger.pp = ProgressPhase("Merge phase", 5, pb)
873
merger.pp.next_phase()
874
# check that there are no
876
merger.check_basis(check_clean=True, require_commits=False)
877
if to_revision is None:
878
to_revision = _mod_revision.ensure_null(branch.last_revision())
879
merger.other_rev_id = to_revision
880
if _mod_revision.is_null(merger.other_rev_id):
881
raise errors.NoCommits(branch)
882
self.branch.fetch(branch, last_revision=merger.other_rev_id)
883
merger.other_basis = merger.other_rev_id
884
merger.other_tree = self.branch.repository.revision_tree(
886
merger.other_branch = branch
887
merger.pp.next_phase()
888
if from_revision is None:
891
merger.set_base_revision(from_revision, branch)
892
if merger.base_rev_id == merger.other_rev_id:
893
raise errors.PointlessMerge
894
merger.backup_files = False
895
if merge_type is None:
896
merger.merge_type = Merge3Merger
898
merger.merge_type = merge_type
899
merger.set_interesting_files(None)
900
merger.show_base = False
901
merger.reprocess = False
902
conflicts = merger.do_merge()
950
909
def merge_modified(self):
951
910
"""Return a dictionary of files modified by a merge.
953
The list is initialized by WorkingTree.set_merge_modified, which is
912
The list is initialized by WorkingTree.set_merge_modified, which is
954
913
typically called after we make some automatic updates to the tree
955
914
because of a merge.
958
917
still in the working inventory and have that text hash.
961
hashfile = self._transport.get('merge-hashes')
920
hashfile = self._control_files.get('merge-hashes')
962
921
except errors.NoSuchFile:
967
if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
968
raise errors.MergeModifiedFormatError()
969
except StopIteration:
925
if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
970
926
raise errors.MergeModifiedFormatError()
971
for s in RioReader(hashfile):
972
# RioReader reads in Unicode, so convert file_ids back to utf8
973
file_id = osutils.safe_file_id(s.get("file_id"), warn=False)
974
if file_id not in self.inventory:
976
text_hash = s.get("hash")
977
if text_hash == self.get_file_sha1(file_id):
978
merge_hashes[file_id] = text_hash
927
except StopIteration:
928
raise errors.MergeModifiedFormatError()
929
for s in RioReader(hashfile):
930
# RioReader reads in Unicode, so convert file_ids back to utf8
931
file_id = osutils.safe_file_id(s.get("file_id"), warn=False)
932
if file_id not in self.inventory:
934
text_hash = s.get("hash")
935
if text_hash == self.get_file_sha1(file_id):
936
merge_hashes[file_id] = text_hash
983
939
@needs_write_lock
984
940
def mkdir(self, path, file_id=None):
1036
990
other_tree.unlock()
1037
991
other_tree.bzrdir.retire_bzrdir()
1039
def _setup_directory_is_tree_reference(self):
1040
if self._branch.repository._format.supports_tree_reference:
1041
self._directory_is_tree_reference = \
1042
self._directory_may_be_tree_reference
1044
self._directory_is_tree_reference = \
1045
self._directory_is_never_tree_reference
1047
def _directory_is_never_tree_reference(self, relpath):
1050
def _directory_may_be_tree_reference(self, relpath):
1051
# as a special case, if a directory contains control files then
993
def _directory_is_tree_reference(self, relpath):
994
# as a special case, if a directory contains control files then
1052
995
# it's a tree reference, except that the root of the tree is not
1053
996
return relpath and osutils.isdir(self.abspath(relpath) + u"/.bzr")
1054
997
# TODO: We could ask all the control formats whether they
1076
1019
transport = transport.clone(name)
1077
1020
transport.ensure_base()
1078
1021
return transport
1080
1023
sub_path = self.id2path(file_id)
1081
1024
branch_transport = mkdirs(sub_path)
1082
1025
if format is None:
1083
format = self.bzrdir.cloning_metadir()
1026
format = bzrdir.format_registry.make_bzrdir('dirstate-with-subtree')
1084
1027
branch_transport.ensure_base()
1085
1028
branch_bzrdir = format.initialize_on_transport(branch_transport)
1087
1030
repo = branch_bzrdir.find_repository()
1088
1031
except errors.NoRepositoryPresent:
1089
1032
repo = branch_bzrdir.create_repository()
1090
if not repo.supports_rich_root():
1091
raise errors.RootNotRich()
1033
assert repo.supports_rich_root()
1035
if not repo.supports_rich_root():
1036
raise errors.RootNotRich()
1092
1037
new_branch = branch_bzrdir.create_branch()
1093
1038
new_branch.pull(self.branch)
1094
1039
for parent_id in self.get_parent_ids():
1096
1041
tree_transport = self.bzrdir.root_transport.clone(sub_path)
1097
1042
if tree_transport.base != branch_transport.base:
1098
1043
tree_bzrdir = format.initialize_on_transport(tree_transport)
1099
branch.BranchReferenceFormat().initialize(tree_bzrdir,
1100
target_branch=new_branch)
1044
branch.BranchReferenceFormat().initialize(tree_bzrdir, new_branch)
1102
1046
tree_bzrdir = branch_bzrdir
1103
wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
1047
wt = tree_bzrdir.create_workingtree(NULL_REVISION)
1104
1048
wt.set_parent_ids(self.get_parent_ids())
1105
1049
my_inv = self.inventory
1106
child_inv = inventory.Inventory(root_id=None)
1050
child_inv = Inventory(root_id=None)
1107
1051
new_root = my_inv[file_id]
1108
1052
my_inv.remove_recursive_id(file_id)
1109
1053
new_root.parent_id = None
1127
1071
sio = StringIO()
1128
1072
self._serialize(self._inventory, sio)
1130
self._transport.put_file('inventory', sio,
1131
mode=self.bzrdir._get_file_mode())
1074
self._control_files.put('inventory', sio)
1132
1075
self._inventory_is_modified = False
1134
1077
def _kind(self, relpath):
1135
1078
return osutils.file_kind(self.abspath(relpath))
1137
def list_files(self, include_root=False, from_dir=None, recursive=True):
1138
"""List all files as (path, class, kind, id, entry).
1080
def list_files(self, include_root=False):
1081
"""Recursively list all files as (path, class, kind, id, entry).
1140
1083
Lists, but does not descend into unversioned directories.
1141
1085
This does not include files that have been deleted in this
1142
tree. Skips the control directory.
1144
:param include_root: if True, return an entry for the root
1145
:param from_dir: start from this directory or None for the root
1146
:param recursive: whether to recurse into subdirectories or not
1088
Skips the control directory.
1148
1090
# list_files is an iterator, so @needs_read_lock doesn't work properly
1149
1091
# with it. So callers should be careful to always read_lock the tree.
1164
1106
fk_entries = {'directory':TreeDirectory, 'file':TreeFile, 'symlink':TreeLink}
1166
1108
# directory file_id, relative path, absolute path, reverse sorted children
1167
if from_dir is not None:
1168
from_dir_id = inv.path2id(from_dir)
1169
if from_dir_id is None:
1170
# Directory not versioned
1172
from_dir_abspath = pathjoin(self.basedir, from_dir)
1174
from_dir_id = inv.root.file_id
1175
from_dir_abspath = self.basedir
1176
children = os.listdir(from_dir_abspath)
1109
children = os.listdir(self.basedir)
1177
1110
children.sort()
1178
# jam 20060527 The kernel sized tree seems equivalent whether we
1111
# jam 20060527 The kernel sized tree seems equivalent whether we
1179
1112
# use a deque and popleft to keep them sorted, or if we use a plain
1180
1113
# list and just reverse() them.
1181
1114
children = collections.deque(children)
1182
stack = [(from_dir_id, u'', from_dir_abspath, children)]
1115
stack = [(inv.root.file_id, u'', self.basedir, children)]
1184
1117
from_dir_id, from_dir_relpath, from_dir_abspath, children = stack[-1]
1239
1172
except KeyError:
1240
1173
yield fp[1:], c, fk, None, TreeEntry()
1243
1176
if fk != 'directory':
1246
# But do this child first if recursing down
1248
new_children = os.listdir(fap)
1250
new_children = collections.deque(new_children)
1251
stack.append((f_ie.file_id, fp, fap, new_children))
1252
# Break out of inner loop,
1253
# so that we start outer loop with child
1179
# But do this child first
1180
new_children = os.listdir(fap)
1182
new_children = collections.deque(new_children)
1183
stack.append((f_ie.file_id, fp, fap, new_children))
1184
# Break out of inner loop,
1185
# so that we start outer loop with child
1256
1188
# if we finished all children, pop it off the stack
1493
1423
from_tail = splitpath(from_rel)[-1]
1494
1424
from_id = inv.path2id(from_rel)
1495
1425
if from_id is None:
1496
# if file is missing in the inventory maybe it's in the basis_tree
1497
basis_tree = self.branch.basis_tree()
1498
from_id = basis_tree.path2id(from_rel)
1500
raise errors.BzrRenameFailedError(from_rel,to_rel,
1501
errors.NotVersionedError(path=str(from_rel)))
1502
# put entry back in the inventory so we can rename it
1503
from_entry = basis_tree.inventory[from_id].copy()
1506
from_entry = inv[from_id]
1426
raise errors.BzrRenameFailedError(from_rel,to_rel,
1427
errors.NotVersionedError(path=str(from_rel)))
1428
from_entry = inv[from_id]
1507
1429
from_parent_id = from_entry.parent_id
1508
1430
to_dir, to_tail = os.path.split(to_rel)
1509
1431
to_dir_id = inv.path2id(to_dir)
1571
1493
:raises: NoSuchId if any fileid is not currently versioned.
1573
1495
for file_id in file_ids:
1574
if file_id not in self._inventory:
1575
raise errors.NoSuchId(self, file_id)
1576
for file_id in file_ids:
1577
1496
if self._inventory.has_id(file_id):
1578
1497
self._inventory.remove_recursive_id(file_id)
1499
raise errors.NoSuchId(self, file_id)
1579
1500
if len(file_ids):
1580
# in the future this should just set a dirty bit to wait for the
1501
# in the future this should just set a dirty bit to wait for the
1581
1502
# final unlock. However, until all methods of workingtree start
1582
# with the current in -memory inventory rather than triggering
1503
# with the current in -memory inventory rather than triggering
1583
1504
# a read, it is more complex - we need to teach read_inventory
1584
1505
# to know when to read, and when to not read first... and possibly
1585
1506
# to save first when the in memory one may be corrupted.
1586
1507
# so for now, we just only write it if it is indeed dirty.
1587
1508
# - RBC 20060907
1588
1509
self._write_inventory(self._inventory)
1511
@deprecated_method(zero_eight)
1512
def iter_conflicts(self):
1513
"""List all files in the tree that have text or content conflicts.
1514
DEPRECATED. Use conflicts instead."""
1515
return self._iter_conflicts()
1590
1517
def _iter_conflicts(self):
1591
1518
conflicted = set()
1601
1528
@needs_write_lock
1602
1529
def pull(self, source, overwrite=False, stop_revision=None,
1603
change_reporter=None, possible_transports=None, local=False):
1530
change_reporter=None, possible_transports=None):
1531
top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1604
1532
source.lock_read()
1534
pp = ProgressPhase("Pull phase", 2, top_pb)
1606
1536
old_revision_info = self.branch.last_revision_info()
1607
1537
basis_tree = self.basis_tree()
1608
1538
count = self.branch.pull(source, overwrite, stop_revision,
1609
possible_transports=possible_transports,
1539
possible_transports=possible_transports)
1611
1540
new_revision_info = self.branch.last_revision_info()
1612
1541
if new_revision_info != old_revision_info:
1613
1543
repository = self.branch.repository
1544
pb = bzrlib.ui.ui_factory.nested_progress_bar()
1614
1545
basis_tree.lock_read()
1616
1547
new_basis_tree = self.branch.basis_tree()
1619
1550
new_basis_tree,
1621
1552
this_tree=self,
1623
1554
change_reporter=change_reporter)
1624
basis_root_id = basis_tree.get_root_id()
1625
new_root_id = new_basis_tree.get_root_id()
1626
if basis_root_id != new_root_id:
1627
self.set_root_id(new_root_id)
1555
if (basis_tree.inventory.root is None and
1556
new_basis_tree.inventory.root is not None):
1557
self.set_root_id(new_basis_tree.get_root_id())
1629
1560
basis_tree.unlock()
1630
1561
# TODO - dedup parents list with things merged by pull ?
1631
1562
# reuse the revisiontree we merged against to set the new
1633
1564
parent_trees = [(self.branch.last_revision(), new_basis_tree)]
1634
# we have to pull the merge trees out again, because
1635
# merge_inner has set the ids. - this corner is not yet
1565
# we have to pull the merge trees out again, because
1566
# merge_inner has set the ids. - this corner is not yet
1636
1567
# layered well enough to prevent double handling.
1637
1568
# XXX TODO: Fix the double handling: telling the tree about
1638
1569
# the already known parent data is wasteful.
1734
1659
r"""Check whether the filename matches an ignore pattern.
1736
1661
Patterns containing '/' or '\' need to match the whole path;
1737
others match against only the last component. Patterns starting
1738
with '!' are ignore exceptions. Exceptions take precedence
1739
over regular patterns and cause the filename to not be ignored.
1662
others match against only the last component.
1741
1664
If the file is ignored, returns the pattern which caused it to
1742
1665
be ignored, otherwise None. So this can simply be used as a
1743
1666
boolean if desired."""
1744
1667
if getattr(self, '_ignoreglobster', None) is None:
1745
self._ignoreglobster = globbing.ExceptionGlobster(self.get_ignore_list())
1668
self._ignoreglobster = globbing.Globster(self.get_ignore_list())
1746
1669
return self._ignoreglobster.match(filename)
1748
1671
def kind(self, file_id):
1749
1672
return file_kind(self.id2abspath(file_id))
1751
def stored_kind(self, file_id):
1752
"""See Tree.stored_kind"""
1753
return self.inventory[file_id].kind
1755
1674
def _comparison_data(self, entry, path):
1756
1675
abspath = self.abspath(path)
1886
1801
# as commit already has that ready-to-use [while the format is the
1887
1802
# same, that is].
1889
# this double handles the inventory - unpack and repack -
1804
# this double handles the inventory - unpack and repack -
1890
1805
# but is easier to understand. We can/should put a conditional
1891
1806
# in here based on whether the inventory is in the latest format
1892
1807
# - perhaps we should repack all inventories on a repository
1894
1809
# the fast path is to copy the raw xml from the repository. If the
1895
# xml contains 'revision_id="', then we assume the right
1810
# xml contains 'revision_id="', then we assume the right
1896
1811
# revision_id is set. We must check for this full string, because a
1897
1812
# root node id can legitimately look like 'revision_id' but cannot
1898
1813
# contain a '"'.
1899
xml = self.branch.repository._get_inventory_xml(new_revision)
1814
xml = self.branch.repository.get_inventory_xml(new_revision)
1900
1815
firstline = xml.split('\n', 1)[0]
1901
if (not 'revision_id="' in firstline or
1816
if (not 'revision_id="' in firstline or
1902
1817
'format="7"' not in firstline):
1903
inv = self.branch.repository._serializer.read_inventory_from_string(
1818
inv = self.branch.repository.deserialise_inventory(
1905
1820
xml = self._create_basis_xml_from_inventory(new_revision, inv)
1906
1821
self._write_basis_inventory(xml)
1907
1822
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1910
1825
def read_basis_inventory(self):
1911
1826
"""Read the cached basis inventory."""
1912
1827
path = self._basis_inventory_name()
1913
return self._transport.get_bytes(path)
1828
return self._control_files.get(path).read()
1915
1830
@needs_read_lock
1916
1831
def read_working_inventory(self):
1917
1832
"""Read the working inventory.
1919
1834
:raises errors.InventoryModified: read_working_inventory will fail
1920
1835
when the current in memory inventory has been modified.
1922
# conceptually this should be an implementation detail of the tree.
1837
# conceptually this should be an implementation detail of the tree.
1923
1838
# XXX: Deprecate this.
1924
1839
# ElementTree does its own conversion from UTF-8, so open in
1926
1841
if self._inventory_is_modified:
1927
1842
raise errors.InventoryModified(self)
1928
f = self._transport.get('inventory')
1930
result = self._deserialize(f)
1843
result = self._deserialize(self._control_files.get('inventory'))
1933
1844
self._set_inventory(result, dirty=False)
1951
1862
new_files=set()
1952
1863
unknown_nested_files=set()
1954
to_file = sys.stdout
1956
1865
def recurse_directory_to_add_files(directory):
1957
1866
# Recurse directory and add all files
1958
1867
# so we can check if they have changed.
1959
1868
for parent_info, file_infos in\
1960
self.walkdirs(directory):
1961
for relpath, basename, kind, lstat, fileid, kind in file_infos:
1869
osutils.walkdirs(self.abspath(directory),
1871
for relpath, basename, kind, lstat, abspath in file_infos:
1962
1872
# Is it versioned or ignored?
1963
1873
if self.path2id(relpath) or self.is_ignored(relpath):
1964
1874
# Add nested content for deletion.
2142
2053
@needs_tree_write_lock
2143
2054
def set_root_id(self, file_id):
2144
2055
"""Set the root id for this tree."""
2146
2057
if file_id is None:
2148
'WorkingTree.set_root_id with fileid=None')
2149
file_id = osutils.safe_file_id(file_id)
2058
symbol_versioning.warn(symbol_versioning.zero_twelve
2059
% 'WorkingTree.set_root_id with fileid=None',
2064
file_id = osutils.safe_file_id(file_id)
2150
2065
self._set_root_id(file_id)
2152
2067
def _set_root_id(self, file_id):
2153
2068
"""Set the root id for this tree, in a format specific manner.
2155
:param file_id: The file id to assign to the root. It must not be
2070
:param file_id: The file id to assign to the root. It must not be
2156
2071
present in the current inventory or an error will occur. It must
2157
2072
not be None, but rather a valid file id.
2178
2093
def unlock(self):
2179
2094
"""See Branch.unlock.
2181
2096
WorkingTree locking just uses the Branch locking facilities.
2182
2097
This is current because all working trees have an embedded branch
2183
2098
within them. IF in the future, we were to make branch data shareable
2184
between multiple working trees, i.e. via shared storage, then we
2099
between multiple working trees, i.e. via shared storage, then we
2185
2100
would probably want to lock both the local tree, and the branch.
2187
2102
raise NotImplementedError(self.unlock)
2191
def update(self, change_reporter=None, possible_transports=None,
2192
revision=None, old_tip=_marker):
2104
def update(self, change_reporter=None, possible_transports=None):
2193
2105
"""Update a working tree along its branch.
2195
2107
This will update the branch if its bound too, which means we have
2249
2154
# cant set that until we update the working trees last revision to be
2250
2155
# one from the new branch, because it will just get absorbed by the
2251
2156
# parent de-duplication logic.
2253
2158
# We MUST save it even if an error occurs, because otherwise the users
2254
2159
# local work is unreferenced and will appear to have been lost.
2258
2163
last_rev = self.get_parent_ids()[0]
2259
2164
except IndexError:
2260
2165
last_rev = _mod_revision.NULL_REVISION
2261
if revision is None:
2262
revision = self.branch.last_revision()
2264
old_tip = old_tip or _mod_revision.NULL_REVISION
2266
if not _mod_revision.is_null(old_tip) and old_tip != last_rev:
2267
# the branch we are bound to was updated
2268
# merge those changes in first
2269
base_tree = self.basis_tree()
2270
other_tree = self.branch.repository.revision_tree(old_tip)
2271
nb_conflicts = merge.merge_inner(self.branch, other_tree,
2272
base_tree, this_tree=self,
2273
change_reporter=change_reporter)
2275
self.add_parent_tree((old_tip, other_tree))
2276
trace.note('Rerun update after fixing the conflicts.')
2279
if last_rev != _mod_revision.ensure_null(revision):
2280
# the working tree is up to date with the branch
2281
# we can merge the specified revision from master
2282
to_tree = self.branch.repository.revision_tree(revision)
2283
to_root_id = to_tree.get_root_id()
2166
if last_rev != _mod_revision.ensure_null(self.branch.last_revision()):
2167
# merge tree state up to new branch tip.
2285
2168
basis = self.basis_tree()
2286
2169
basis.lock_read()
2288
if (basis.inventory.root is None
2289
or basis.inventory.root.file_id != to_root_id):
2290
self.set_root_id(to_root_id)
2171
to_tree = self.branch.basis_tree()
2172
if basis.inventory.root is None:
2173
self.set_root_id(to_tree.get_root_id())
2175
result += merge.merge_inner(
2180
change_reporter=change_reporter)
2295
# determine the branch point
2296
graph = self.branch.repository.get_graph()
2297
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2299
base_tree = self.branch.repository.revision_tree(base_rev_id)
2301
nb_conflicts = merge.merge_inner(self.branch, to_tree, base_tree,
2303
change_reporter=change_reporter)
2304
self.set_last_revision(revision)
2305
2183
# TODO - dedup parents list with things merged by pull ?
2306
2184
# reuse the tree we've updated to to set the basis:
2307
parent_trees = [(revision, to_tree)]
2185
parent_trees = [(self.branch.last_revision(), to_tree)]
2308
2186
merges = self.get_parent_ids()[1:]
2309
2187
# Ideally we ask the tree for the trees here, that way the working
2310
# tree can decide whether to give us the entire tree or give us a
2188
# tree can decide whether to give us teh entire tree or give us a
2311
2189
# lazy initialised tree. dirstate for instance will have the trees
2312
2190
# in ram already, whereas a last-revision + basis-inventory tree
2313
2191
# will not, but also does not need them when setting parents.
2314
2192
for parent in merges:
2315
2193
parent_trees.append(
2316
2194
(parent, self.branch.repository.revision_tree(parent)))
2317
if not _mod_revision.is_null(old_tip):
2195
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2318
2196
parent_trees.append(
2319
2197
(old_tip, self.branch.repository.revision_tree(old_tip)))
2320
2198
self.set_parent_trees(parent_trees)
2321
2199
last_rev = parent_trees[0][0]
2201
# the working tree had the same last-revision as the master
2202
# branch did. We may still have pivot local work from the local
2203
# branch into old_tip:
2204
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2205
self.add_parent_tree_id(old_tip)
2206
if (old_tip is not None and not _mod_revision.is_null(old_tip)
2207
and old_tip != last_rev):
2208
# our last revision was not the prior branch last revision
2209
# and we have converted that last revision to a pending merge.
2210
# base is somewhere between the branch tip now
2211
# and the now pending merge
2213
# Since we just modified the working tree and inventory, flush out
2214
# the current state, before we modify it again.
2215
# TODO: jam 20070214 WorkingTree3 doesn't require this, dirstate
2216
# requires it only because TreeTransform directly munges the
2217
# inventory and calls tree._write_inventory(). Ultimately we
2218
# should be able to remove this extra flush.
2220
graph = self.branch.repository.get_graph()
2221
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2223
base_tree = self.branch.repository.revision_tree(base_rev_id)
2224
other_tree = self.branch.repository.revision_tree(old_tip)
2225
result += merge.merge_inner(
2230
change_reporter=change_reporter)
2324
2233
def _write_hashcache_if_dirty(self):
2325
2234
"""Write out the hashcache if it is dirty."""
2523
2430
# FIXME: stash the node in pending
2524
2431
entry = inv[top_id]
2525
if entry.kind == 'directory':
2526
for name, child in entry.sorted_children():
2527
dirblock.append((relroot + name, name, child.kind, None,
2528
child.file_id, child.kind
2432
for name, child in entry.sorted_children():
2433
dirblock.append((relroot + name, name, child.kind, None,
2434
child.file_id, child.kind
2530
2436
yield (currentdir[0], entry.file_id), dirblock
2531
2437
# push the user specified dirs from dirblock
2532
2438
for dir in reversed(dirblock):
2598
def _get_rules_searcher(self, default_searcher):
2599
"""See Tree._get_rules_searcher."""
2600
if self._rules_searcher is None:
2601
self._rules_searcher = super(WorkingTree,
2602
self)._get_rules_searcher(default_searcher)
2603
return self._rules_searcher
2605
def get_shelf_manager(self):
2606
"""Return the ShelfManager for this WorkingTree."""
2607
from bzrlib.shelf import ShelfManager
2608
return ShelfManager(self, self._transport)
2611
2486
class WorkingTree2(WorkingTree):
2612
2487
"""This is the Format 2 working tree.
2614
This was the first weave based working tree.
2489
This was the first weave based working tree.
2615
2490
- uses os locks for locking.
2616
2491
- uses the branch last-revision.
2676
2547
def _last_revision(self):
2677
2548
"""See Mutable.last_revision."""
2679
return self._transport.get_bytes('last-revision')
2550
return self._control_files.get('last-revision').read()
2680
2551
except errors.NoSuchFile:
2681
2552
return _mod_revision.NULL_REVISION
2683
2554
def _change_last_revision(self, revision_id):
2684
2555
"""See WorkingTree._change_last_revision."""
2685
if revision_id is None or revision_id == _mod_revision.NULL_REVISION:
2556
if revision_id is None or revision_id == NULL_REVISION:
2687
self._transport.delete('last-revision')
2558
self._control_files._transport.delete('last-revision')
2688
2559
except errors.NoSuchFile:
2692
self._transport.put_bytes('last-revision', revision_id,
2693
mode=self.bzrdir._get_file_mode())
2563
self._control_files.put_bytes('last-revision', revision_id)
2696
def _get_check_refs(self):
2697
"""Return the references needed to perform a check of this tree."""
2698
return [('trees', self.last_revision())]
2700
2566
@needs_tree_write_lock
2701
2567
def set_conflicts(self, conflicts):
2702
self._put_rio('conflicts', conflicts.to_stanzas(),
2568
self._put_rio('conflicts', conflicts.to_stanzas(),
2703
2569
CONFLICT_HEADER_1)
2705
2571
@needs_tree_write_lock
2848
2719
"""See WorkingTreeFormat.get_format_description()."""
2849
2720
return "Working tree format 2"
2851
def _stub_initialize_on_transport(self, transport, file_mode):
2852
"""Workaround: create control files for a remote working tree.
2722
def stub_initialize_remote(self, control_files):
2723
"""As a special workaround create critical control files for a remote working tree
2854
2725
This ensures that it can later be updated and dealt with locally,
2855
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
2726
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
2856
2727
no working tree. (See bug #43064).
2858
2729
sio = StringIO()
2859
inv = inventory.Inventory()
2860
2731
xml5.serializer_v5.write_inventory(inv, sio, working=True)
2862
transport.put_file('inventory', sio, file_mode)
2863
transport.put_bytes('pending-merges', '', file_mode)
2865
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
2866
accelerator_tree=None, hardlink=False):
2733
control_files.put('inventory', sio)
2735
control_files.put_bytes('pending-merges', '')
2738
def initialize(self, a_bzrdir, revision_id=None, from_branch=None):
2867
2739
"""See WorkingTreeFormat.initialize()."""
2868
2740
if not isinstance(a_bzrdir.transport, LocalTransport):
2869
2741
raise errors.NotLocalUrl(a_bzrdir.transport.base)
2953
2825
def _open_control_files(self, a_bzrdir):
2954
2826
transport = a_bzrdir.get_workingtree_transport(None)
2955
return LockableFiles(transport, self._lock_file_name,
2827
return LockableFiles(transport, self._lock_file_name,
2956
2828
self._lock_class)
2958
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
2959
accelerator_tree=None, hardlink=False):
2830
def initialize(self, a_bzrdir, revision_id=None, from_branch=None):
2960
2831
"""See WorkingTreeFormat.initialize().
2962
:param revision_id: if supplied, create a working tree at a different
2963
revision than the branch is at.
2964
:param accelerator_tree: A tree which can be used for retrieving file
2965
contents more quickly than the revision tree, i.e. a workingtree.
2966
The revision tree will be used for cases where accelerator_tree's
2967
content is different.
2968
:param hardlink: If true, hard-link files from accelerator_tree,
2833
revision_id allows creating a working tree at a different
2834
revision than the branch is at.
2971
2836
if not isinstance(a_bzrdir.transport, LocalTransport):
2972
2837
raise errors.NotLocalUrl(a_bzrdir.transport.base)
added
removed
bzrlib/workingtree.py
