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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)
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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
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.
744
As of 0.11 this is deprecated. Please see WorkingTree.get_parent_ids()
745
instead - which is available on all tree objects.
747
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:]
796
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'.
802
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:]:
811
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:
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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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for each element of revision_ids from the trees repository. If you have
824
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tree data already available, it is more efficient to use
914
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branch.last_revision().
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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()
859
pb = bzrlib.ui.ui_factory.nested_progress_bar()
861
merger = Merger(self.branch, this_tree=self, pb=pb)
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merger.pp = ProgressPhase("Merge phase", 5, pb)
863
merger.pp.next_phase()
864
# check that there are no
866
merger.check_basis(check_clean=True, require_commits=False)
867
if to_revision is None:
868
to_revision = _mod_revision.ensure_null(branch.last_revision())
869
merger.other_rev_id = to_revision
870
if _mod_revision.is_null(merger.other_rev_id):
871
raise errors.NoCommits(branch)
872
self.branch.fetch(branch, last_revision=merger.other_rev_id)
873
merger.other_basis = merger.other_rev_id
874
merger.other_tree = self.branch.repository.revision_tree(
876
merger.other_branch = branch
877
merger.pp.next_phase()
878
if from_revision is None:
881
merger.set_base_revision(from_revision, branch)
882
if merger.base_rev_id == merger.other_rev_id:
883
raise errors.PointlessMerge
884
merger.backup_files = False
885
if merge_type is None:
886
merger.merge_type = Merge3Merger
888
merger.merge_type = merge_type
889
merger.set_interesting_files(None)
890
merger.show_base = False
891
merger.reprocess = False
892
conflicts = merger.do_merge()
950
899
def merge_modified(self):
951
900
"""Return a dictionary of files modified by a merge.
953
The list is initialized by WorkingTree.set_merge_modified, which is
902
The list is initialized by WorkingTree.set_merge_modified, which is
954
903
typically called after we make some automatic updates to the tree
955
904
because of a merge.
958
907
still in the working inventory and have that text hash.
961
hashfile = self._transport.get('merge-hashes')
910
hashfile = self._control_files.get('merge-hashes')
962
911
except errors.NoSuchFile:
967
if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
968
raise errors.MergeModifiedFormatError()
969
except StopIteration:
915
if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
970
916
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
917
except StopIteration:
918
raise errors.MergeModifiedFormatError()
919
for s in RioReader(hashfile):
920
# RioReader reads in Unicode, so convert file_ids back to utf8
921
file_id = osutils.safe_file_id(s.get("file_id"), warn=False)
922
if file_id not in self.inventory:
924
text_hash = s.get("hash")
925
if text_hash == self.get_file_sha1(file_id):
926
merge_hashes[file_id] = text_hash
983
929
@needs_write_lock
984
930
def mkdir(self, path, file_id=None):
1036
980
other_tree.unlock()
1037
981
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
983
def _directory_is_tree_reference(self, relpath):
984
# as a special case, if a directory contains control files then
1052
985
# it's a tree reference, except that the root of the tree is not
1053
986
return relpath and osutils.isdir(self.abspath(relpath) + u"/.bzr")
1054
987
# TODO: We could ask all the control formats whether they
1076
1009
transport = transport.clone(name)
1077
1010
transport.ensure_base()
1078
1011
return transport
1080
1013
sub_path = self.id2path(file_id)
1081
1014
branch_transport = mkdirs(sub_path)
1082
1015
if format is None:
1083
format = self.bzrdir.cloning_metadir()
1016
format = bzrdir.format_registry.make_bzrdir('dirstate-with-subtree')
1084
1017
branch_transport.ensure_base()
1085
1018
branch_bzrdir = format.initialize_on_transport(branch_transport)
1087
1020
repo = branch_bzrdir.find_repository()
1088
1021
except errors.NoRepositoryPresent:
1089
1022
repo = branch_bzrdir.create_repository()
1090
if not repo.supports_rich_root():
1091
raise errors.RootNotRich()
1023
assert repo.supports_rich_root()
1025
if not repo.supports_rich_root():
1026
raise errors.RootNotRich()
1092
1027
new_branch = branch_bzrdir.create_branch()
1093
1028
new_branch.pull(self.branch)
1094
1029
for parent_id in self.get_parent_ids():
1096
1031
tree_transport = self.bzrdir.root_transport.clone(sub_path)
1097
1032
if tree_transport.base != branch_transport.base:
1098
1033
tree_bzrdir = format.initialize_on_transport(tree_transport)
1099
branch.BranchReferenceFormat().initialize(tree_bzrdir,
1100
target_branch=new_branch)
1034
branch.BranchReferenceFormat().initialize(tree_bzrdir, new_branch)
1102
1036
tree_bzrdir = branch_bzrdir
1103
wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
1037
wt = tree_bzrdir.create_workingtree(NULL_REVISION)
1104
1038
wt.set_parent_ids(self.get_parent_ids())
1105
1039
my_inv = self.inventory
1106
child_inv = inventory.Inventory(root_id=None)
1040
child_inv = Inventory(root_id=None)
1107
1041
new_root = my_inv[file_id]
1108
1042
my_inv.remove_recursive_id(file_id)
1109
1043
new_root.parent_id = None
1127
1061
sio = StringIO()
1128
1062
self._serialize(self._inventory, sio)
1130
self._transport.put_file('inventory', sio,
1131
mode=self.bzrdir._get_file_mode())
1064
self._control_files.put('inventory', sio)
1132
1065
self._inventory_is_modified = False
1134
1067
def _kind(self, relpath):
1135
1068
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).
1070
def list_files(self, include_root=False):
1071
"""Recursively list all files as (path, class, kind, id, entry).
1140
1073
Lists, but does not descend into unversioned directories.
1141
1075
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
1078
Skips the control directory.
1148
1080
# list_files is an iterator, so @needs_read_lock doesn't work properly
1149
1081
# with it. So callers should be careful to always read_lock the tree.
1164
1096
fk_entries = {'directory':TreeDirectory, 'file':TreeFile, 'symlink':TreeLink}
1166
1098
# 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)
1099
children = os.listdir(self.basedir)
1177
1100
children.sort()
1178
# jam 20060527 The kernel sized tree seems equivalent whether we
1101
# jam 20060527 The kernel sized tree seems equivalent whether we
1179
1102
# use a deque and popleft to keep them sorted, or if we use a plain
1180
1103
# list and just reverse() them.
1181
1104
children = collections.deque(children)
1182
stack = [(from_dir_id, u'', from_dir_abspath, children)]
1105
stack = [(inv.root.file_id, u'', self.basedir, children)]
1184
1107
from_dir_id, from_dir_relpath, from_dir_abspath, children = stack[-1]
1239
1162
except KeyError:
1240
1163
yield fp[1:], c, fk, None, TreeEntry()
1243
1166
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
1169
# But do this child first
1170
new_children = os.listdir(fap)
1172
new_children = collections.deque(new_children)
1173
stack.append((f_ie.file_id, fp, fap, new_children))
1174
# Break out of inner loop,
1175
# so that we start outer loop with child
1256
1178
# if we finished all children, pop it off the stack
1493
1409
from_tail = splitpath(from_rel)[-1]
1494
1410
from_id = inv.path2id(from_rel)
1495
1411
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]
1412
raise errors.BzrRenameFailedError(from_rel,to_rel,
1413
errors.NotVersionedError(path=str(from_rel)))
1414
from_entry = inv[from_id]
1507
1415
from_parent_id = from_entry.parent_id
1508
1416
to_dir, to_tail = os.path.split(to_rel)
1509
1417
to_dir_id = inv.path2id(to_dir)
1571
1479
:raises: NoSuchId if any fileid is not currently versioned.
1573
1481
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
1482
if self._inventory.has_id(file_id):
1578
1483
self._inventory.remove_recursive_id(file_id)
1485
raise errors.NoSuchId(self, file_id)
1579
1486
if len(file_ids):
1580
# in the future this should just set a dirty bit to wait for the
1487
# in the future this should just set a dirty bit to wait for the
1581
1488
# final unlock. However, until all methods of workingtree start
1582
# with the current in -memory inventory rather than triggering
1489
# with the current in -memory inventory rather than triggering
1583
1490
# a read, it is more complex - we need to teach read_inventory
1584
1491
# to know when to read, and when to not read first... and possibly
1585
1492
# to save first when the in memory one may be corrupted.
1586
1493
# so for now, we just only write it if it is indeed dirty.
1587
1494
# - RBC 20060907
1588
1495
self._write_inventory(self._inventory)
1497
@deprecated_method(zero_eight)
1498
def iter_conflicts(self):
1499
"""List all files in the tree that have text or content conflicts.
1500
DEPRECATED. Use conflicts instead."""
1501
return self._iter_conflicts()
1590
1503
def _iter_conflicts(self):
1591
1504
conflicted = set()
1601
1514
@needs_write_lock
1602
1515
def pull(self, source, overwrite=False, stop_revision=None,
1603
change_reporter=None, possible_transports=None, local=False):
1516
change_reporter=None, possible_transports=None):
1517
top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1604
1518
source.lock_read()
1520
pp = ProgressPhase("Pull phase", 2, top_pb)
1606
1522
old_revision_info = self.branch.last_revision_info()
1607
1523
basis_tree = self.basis_tree()
1608
1524
count = self.branch.pull(source, overwrite, stop_revision,
1609
possible_transports=possible_transports,
1525
possible_transports=possible_transports)
1611
1526
new_revision_info = self.branch.last_revision_info()
1612
1527
if new_revision_info != old_revision_info:
1613
1529
repository = self.branch.repository
1530
pb = bzrlib.ui.ui_factory.nested_progress_bar()
1614
1531
basis_tree.lock_read()
1616
1533
new_basis_tree = self.branch.basis_tree()
1619
1536
new_basis_tree,
1621
1538
this_tree=self,
1623
1540
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)
1541
if (basis_tree.inventory.root is None and
1542
new_basis_tree.inventory.root is not None):
1543
self.set_root_id(new_basis_tree.get_root_id())
1629
1546
basis_tree.unlock()
1630
1547
# TODO - dedup parents list with things merged by pull ?
1631
1548
# reuse the revisiontree we merged against to set the new
1633
1550
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
1551
# we have to pull the merge trees out again, because
1552
# merge_inner has set the ids. - this corner is not yet
1636
1553
# layered well enough to prevent double handling.
1637
1554
# XXX TODO: Fix the double handling: telling the tree about
1638
1555
# the already known parent data is wasteful.
1734
1645
r"""Check whether the filename matches an ignore pattern.
1736
1647
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.
1648
others match against only the last component.
1741
1650
If the file is ignored, returns the pattern which caused it to
1742
1651
be ignored, otherwise None. So this can simply be used as a
1743
1652
boolean if desired."""
1744
1653
if getattr(self, '_ignoreglobster', None) is None:
1745
self._ignoreglobster = globbing.ExceptionGlobster(self.get_ignore_list())
1654
self._ignoreglobster = globbing.Globster(self.get_ignore_list())
1746
1655
return self._ignoreglobster.match(filename)
1748
1657
def kind(self, file_id):
1749
1658
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
1660
def _comparison_data(self, entry, path):
1756
1661
abspath = self.abspath(path)
1886
1787
# as commit already has that ready-to-use [while the format is the
1887
1788
# same, that is].
1889
# this double handles the inventory - unpack and repack -
1790
# this double handles the inventory - unpack and repack -
1890
1791
# but is easier to understand. We can/should put a conditional
1891
1792
# in here based on whether the inventory is in the latest format
1892
1793
# - perhaps we should repack all inventories on a repository
1894
1795
# the fast path is to copy the raw xml from the repository. If the
1895
# xml contains 'revision_id="', then we assume the right
1796
# xml contains 'revision_id="', then we assume the right
1896
1797
# revision_id is set. We must check for this full string, because a
1897
1798
# root node id can legitimately look like 'revision_id' but cannot
1898
1799
# contain a '"'.
1899
xml = self.branch.repository._get_inventory_xml(new_revision)
1800
xml = self.branch.repository.get_inventory_xml(new_revision)
1900
1801
firstline = xml.split('\n', 1)[0]
1901
if (not 'revision_id="' in firstline or
1802
if (not 'revision_id="' in firstline or
1902
1803
'format="7"' not in firstline):
1903
inv = self.branch.repository._serializer.read_inventory_from_string(
1804
inv = self.branch.repository.deserialise_inventory(
1905
1806
xml = self._create_basis_xml_from_inventory(new_revision, inv)
1906
1807
self._write_basis_inventory(xml)
1907
1808
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1910
1811
def read_basis_inventory(self):
1911
1812
"""Read the cached basis inventory."""
1912
1813
path = self._basis_inventory_name()
1913
return self._transport.get_bytes(path)
1814
return self._control_files.get(path).read()
1915
1816
@needs_read_lock
1916
1817
def read_working_inventory(self):
1917
1818
"""Read the working inventory.
1919
1820
:raises errors.InventoryModified: read_working_inventory will fail
1920
1821
when the current in memory inventory has been modified.
1922
# conceptually this should be an implementation detail of the tree.
1823
# conceptually this should be an implementation detail of the tree.
1923
1824
# XXX: Deprecate this.
1924
1825
# ElementTree does its own conversion from UTF-8, so open in
1926
1827
if self._inventory_is_modified:
1927
1828
raise errors.InventoryModified(self)
1928
f = self._transport.get('inventory')
1930
result = self._deserialize(f)
1829
result = self._deserialize(self._control_files.get('inventory'))
1933
1830
self._set_inventory(result, dirty=False)
1951
1848
new_files=set()
1952
1849
unknown_nested_files=set()
1954
to_file = sys.stdout
1956
1851
def recurse_directory_to_add_files(directory):
1957
1852
# Recurse directory and add all files
1958
1853
# so we can check if they have changed.
1959
1854
for parent_info, file_infos in\
1960
self.walkdirs(directory):
1961
for relpath, basename, kind, lstat, fileid, kind in file_infos:
1855
osutils.walkdirs(self.abspath(directory),
1857
for relpath, basename, kind, lstat, abspath in file_infos:
1962
1858
# Is it versioned or ignored?
1963
1859
if self.path2id(relpath) or self.is_ignored(relpath):
1964
1860
# Add nested content for deletion.
1989
1886
has_changed_files = len(unknown_nested_files) > 0
1990
1887
if not has_changed_files:
1991
1888
for (file_id, path, content_change, versioned, parent_id, name,
1992
kind, executable) in self.iter_changes(self.basis_tree(),
1889
kind, executable) in self._iter_changes(self.basis_tree(),
1993
1890
include_unchanged=True, require_versioned=False,
1994
1891
want_unversioned=True, specific_files=files):
1995
if versioned == (False, False):
1996
# The record is unknown ...
1997
if not self.is_ignored(path[1]):
1998
# ... but not ignored
1999
has_changed_files = True
2001
elif content_change and (kind[1] is not None):
2002
# Versioned and changed, but not deleted
1892
# Check if it's an unknown (but not ignored) OR
1893
# changed (but not deleted) :
1894
if not self.is_ignored(path[1]) and (
1895
versioned == (False, False) or
1896
content_change and kind[1] != None):
2003
1897
has_changed_files = True
2142
2036
@needs_tree_write_lock
2143
2037
def set_root_id(self, file_id):
2144
2038
"""Set the root id for this tree."""
2146
2040
if file_id is None:
2148
'WorkingTree.set_root_id with fileid=None')
2149
file_id = osutils.safe_file_id(file_id)
2041
symbol_versioning.warn(symbol_versioning.zero_twelve
2042
% 'WorkingTree.set_root_id with fileid=None',
2047
file_id = osutils.safe_file_id(file_id)
2150
2048
self._set_root_id(file_id)
2152
2050
def _set_root_id(self, file_id):
2153
2051
"""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
2053
:param file_id: The file id to assign to the root. It must not be
2156
2054
present in the current inventory or an error will occur. It must
2157
2055
not be None, but rather a valid file id.
2178
2076
def unlock(self):
2179
2077
"""See Branch.unlock.
2181
2079
WorkingTree locking just uses the Branch locking facilities.
2182
2080
This is current because all working trees have an embedded branch
2183
2081
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
2082
between multiple working trees, i.e. via shared storage, then we
2185
2083
would probably want to lock both the local tree, and the branch.
2187
2085
raise NotImplementedError(self.unlock)
2191
def update(self, change_reporter=None, possible_transports=None,
2192
revision=None, old_tip=_marker):
2087
def update(self, change_reporter=None, possible_transports=None):
2193
2088
"""Update a working tree along its branch.
2195
2090
This will update the branch if its bound too, which means we have
2249
2137
# cant set that until we update the working trees last revision to be
2250
2138
# one from the new branch, because it will just get absorbed by the
2251
2139
# parent de-duplication logic.
2253
2141
# We MUST save it even if an error occurs, because otherwise the users
2254
2142
# local work is unreferenced and will appear to have been lost.
2258
2146
last_rev = self.get_parent_ids()[0]
2259
2147
except IndexError:
2260
2148
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()
2149
if last_rev != _mod_revision.ensure_null(self.branch.last_revision()):
2150
# merge tree state up to new branch tip.
2285
2151
basis = self.basis_tree()
2286
2152
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)
2154
to_tree = self.branch.basis_tree()
2155
if basis.inventory.root is None:
2156
self.set_root_id(to_tree.get_root_id())
2158
result += merge.merge_inner(
2163
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
2166
# TODO - dedup parents list with things merged by pull ?
2306
2167
# reuse the tree we've updated to to set the basis:
2307
parent_trees = [(revision, to_tree)]
2168
parent_trees = [(self.branch.last_revision(), to_tree)]
2308
2169
merges = self.get_parent_ids()[1:]
2309
2170
# 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
2171
# tree can decide whether to give us teh entire tree or give us a
2311
2172
# lazy initialised tree. dirstate for instance will have the trees
2312
2173
# in ram already, whereas a last-revision + basis-inventory tree
2313
2174
# will not, but also does not need them when setting parents.
2314
2175
for parent in merges:
2315
2176
parent_trees.append(
2316
2177
(parent, self.branch.repository.revision_tree(parent)))
2317
if not _mod_revision.is_null(old_tip):
2178
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2318
2179
parent_trees.append(
2319
2180
(old_tip, self.branch.repository.revision_tree(old_tip)))
2320
2181
self.set_parent_trees(parent_trees)
2321
2182
last_rev = parent_trees[0][0]
2184
# the working tree had the same last-revision as the master
2185
# branch did. We may still have pivot local work from the local
2186
# branch into old_tip:
2187
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2188
self.add_parent_tree_id(old_tip)
2189
if (old_tip is not None and not _mod_revision.is_null(old_tip)
2190
and old_tip != last_rev):
2191
# our last revision was not the prior branch last revision
2192
# and we have converted that last revision to a pending merge.
2193
# base is somewhere between the branch tip now
2194
# and the now pending merge
2196
# Since we just modified the working tree and inventory, flush out
2197
# the current state, before we modify it again.
2198
# TODO: jam 20070214 WorkingTree3 doesn't require this, dirstate
2199
# requires it only because TreeTransform directly munges the
2200
# inventory and calls tree._write_inventory(). Ultimately we
2201
# should be able to remove this extra flush.
2203
graph = self.branch.repository.get_graph()
2204
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2206
base_tree = self.branch.repository.revision_tree(base_rev_id)
2207
other_tree = self.branch.repository.revision_tree(old_tip)
2208
result += merge.merge_inner(
2213
change_reporter=change_reporter)
2324
2216
def _write_hashcache_if_dirty(self):
2325
2217
"""Write out the hashcache if it is dirty."""
2523
2413
# FIXME: stash the node in pending
2524
2414
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
2415
for name, child in entry.sorted_children():
2416
dirblock.append((relroot + name, name, child.kind, None,
2417
child.file_id, child.kind
2530
2419
yield (currentdir[0], entry.file_id), dirblock
2531
2420
# push the user specified dirs from dirblock
2532
2421
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
2469
class WorkingTree2(WorkingTree):
2612
2470
"""This is the Format 2 working tree.
2614
This was the first weave based working tree.
2472
This was the first weave based working tree.
2615
2473
- uses os locks for locking.
2616
2474
- uses the branch last-revision.
2676
2530
def _last_revision(self):
2677
2531
"""See Mutable.last_revision."""
2679
return self._transport.get_bytes('last-revision')
2533
return self._control_files.get('last-revision').read()
2680
2534
except errors.NoSuchFile:
2681
2535
return _mod_revision.NULL_REVISION
2683
2537
def _change_last_revision(self, revision_id):
2684
2538
"""See WorkingTree._change_last_revision."""
2685
if revision_id is None or revision_id == _mod_revision.NULL_REVISION:
2539
if revision_id is None or revision_id == NULL_REVISION:
2687
self._transport.delete('last-revision')
2541
self._control_files._transport.delete('last-revision')
2688
2542
except errors.NoSuchFile:
2692
self._transport.put_bytes('last-revision', revision_id,
2693
mode=self.bzrdir._get_file_mode())
2546
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
2549
@needs_tree_write_lock
2701
2550
def set_conflicts(self, conflicts):
2702
self._put_rio('conflicts', conflicts.to_stanzas(),
2551
self._put_rio('conflicts', conflicts.to_stanzas(),
2703
2552
CONFLICT_HEADER_1)
2705
2554
@needs_tree_write_lock
2848
2702
"""See WorkingTreeFormat.get_format_description()."""
2849
2703
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.
2705
def stub_initialize_remote(self, control_files):
2706
"""As a special workaround create critical control files for a remote working tree
2854
2708
This ensures that it can later be updated and dealt with locally,
2855
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
2709
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
2856
2710
no working tree. (See bug #43064).
2858
2712
sio = StringIO()
2859
inv = inventory.Inventory()
2860
2714
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):
2716
control_files.put('inventory', sio)
2718
control_files.put_bytes('pending-merges', '')
2721
def initialize(self, a_bzrdir, revision_id=None, from_branch=None):
2867
2722
"""See WorkingTreeFormat.initialize()."""
2868
2723
if not isinstance(a_bzrdir.transport, LocalTransport):
2869
2724
raise errors.NotLocalUrl(a_bzrdir.transport.base)
2953
2808
def _open_control_files(self, a_bzrdir):
2954
2809
transport = a_bzrdir.get_workingtree_transport(None)
2955
return LockableFiles(transport, self._lock_file_name,
2810
return LockableFiles(transport, self._lock_file_name,
2956
2811
self._lock_class)
2958
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
2959
accelerator_tree=None, hardlink=False):
2813
def initialize(self, a_bzrdir, revision_id=None, from_branch=None):
2960
2814
"""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,
2816
revision_id allows creating a working tree at a different
2817
revision than the branch is at.
2971
2819
if not isinstance(a_bzrdir.transport, LocalTransport):
2972
2820
raise errors.NotLocalUrl(a_bzrdir.transport.base)
added
removed
bzrlib/workingtree.py
