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# Copyright (C) 2009 Jelmer Vernooij <jelmer@samba.org>
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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from dulwich.objects import (
 
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from bzrlib.plugins.git.mapping import (
 
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class GitInventoryEntry(inventory.InventoryEntry):
 
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    def __init__(self, inv, parent_id, hexsha, path, name, executable):
 
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        self.parent_id = parent_id
 
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        self.revision = self._inventory.revision_id
 
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        self.executable = executable
 
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        self.file_id = self._inventory.fileid_map.lookup_file_id(
 
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        if self._object is None:
 
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            self._object = self._inventory.store[self.hexsha]
 
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            assert isinstance(self._object, self._git_class), \
 
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                    "Expected instance of %r, got %r" % \
 
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                    (self._git_class, self._object)
 
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class GitInventoryFile(GitInventoryEntry):
 
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    def __init__(self, inv, parent_id, hexsha, path, basename, executable):
 
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        super(GitInventoryFile, self).__init__(inv, parent_id, hexsha, path,
 
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        self.symlink_target = None
 
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        return osutils.sha_strings(self.object.chunked)
 
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        return len(self.object.data)
 
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        return ("%s(%r, %r, parent_id=%r, sha1=%r, len=%s, revision=%s)"
 
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                % (self.__class__.__name__,
 
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    def kind_character(self):
 
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        """See InventoryEntry.kind_character."""
 
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        other = inventory.InventoryFile(self.file_id, self.name,
 
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        other.executable = self.executable
 
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        other.text_id = self.text_id
 
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        other.text_sha1 = self.text_sha1
 
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        other.text_size = self.text_size
 
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        other.revision = self.revision
 
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class GitInventoryLink(GitInventoryEntry):
 
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    def __init__(self, inv, parent_id, hexsha, path, basename, executable):
 
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        super(GitInventoryLink, self).__init__(inv, parent_id, hexsha, path, basename, executable)
 
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        self.text_sha1 = None
 
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        self.text_size = None
 
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        self.kind = 'symlink'
 
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    def symlink_target(self):
 
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        return self.object.data
 
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    def kind_character(self):
 
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        """See InventoryEntry.kind_character."""
 
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        other = inventory.InventoryLink(self.file_id, self.name, self.parent_id)
 
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        other.executable = self.executable
 
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        other.symlink_target = self.symlink_target
 
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        other.revision = self.revision
 
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class GitInventoryTreeReference(GitInventoryEntry):
 
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    def __init__(self, inv, parent_id, hexsha, path, basename, executable):
 
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        super(GitInventoryTreeReference, self).__init__(inv, parent_id, hexsha, path, basename, executable)
 
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        self.reference_revision = inv.mapping.revision_id_foreign_to_bzr(hexsha)
 
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        self.text_sha1 = None
 
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        self.text_size = None
 
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        self.symlink_target = None
 
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        self.kind = 'tree-reference'
 
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        self._children = None
 
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    def kind_character(self):
 
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        """See InventoryEntry.kind_character."""
 
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class GitInventoryDirectory(GitInventoryEntry):
 
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    def __init__(self, inv, parent_id, hexsha, path, basename, executable):
 
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        super(GitInventoryDirectory, self).__init__(inv, parent_id, hexsha, path, basename, executable)
 
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        self.text_sha1 = None
 
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        self.text_size = None
 
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        self.symlink_target = None
 
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        self.kind = 'directory'
 
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        self._children = None
 
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    def kind_character(self):
 
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        """See InventoryEntry.kind_character."""
 
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        if self._children is None:
 
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            self._retrieve_children()
 
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        return self._children
 
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    def _retrieve_children(self):
 
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        for mode, name, hexsha in self.object.entries():
 
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            basename = name.decode("utf-8")
 
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            child_path = osutils.pathjoin(self.path, basename)
 
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            if self._inventory.mapping.is_control_file(child_path):
 
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            executable = mode_is_executable(mode)
 
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            kind_class = {'directory': GitInventoryDirectory,
 
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                          'file': GitInventoryFile,
 
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                          'symlink': GitInventoryLink,
 
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                          'tree-reference': GitInventoryTreeReference}[mode_kind(mode)]
 
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            self._children[basename] = kind_class(self._inventory,
 
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                self.file_id, hexsha, child_path, basename, executable)
 
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        other = inventory.InventoryDirectory(self.file_id, self.name,
 
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        other.revision = self.revision
 
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        # note that children are *not* copied; they're pulled across when
 
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class GitInventory(inventory.Inventory):
 
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        return "<%s for %r in %r>" % (self.__class__.__name__,
 
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                self.root.hexsha, self.store)
 
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    def __init__(self, tree_id, mapping, fileid_map, store, revision_id):
 
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        super(GitInventory, self).__init__(revision_id=revision_id)
 
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        self.fileid_map = fileid_map
 
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        self.mapping = mapping
 
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        self.root = GitInventoryDirectory(self, None, tree_id, u"", u"", False)
 
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    def _get_ie(self, path):
 
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        if path == "" or path == []:
 
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        if isinstance(path, basestring):
 
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            parts = path.split("/")
 
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            ie = ie.children[name]
 
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    def has_filename(self, path):
 
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    def has_id(self, file_id):
 
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            self.id2path(file_id)
 
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        except errors.NoSuchId:
 
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    def id2path(self, file_id):
 
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        path = self.fileid_map.lookup_path(file_id)
 
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            ie = self._get_ie(path)
 
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            assert ie.path == path
 
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            raise errors.NoSuchId(None, file_id)
 
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    def path2id(self, path):
 
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            return self._get_ie(path).file_id
 
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    def __getitem__(self, file_id):
 
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        if file_id == inventory.ROOT_ID:
 
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        path = self.fileid_map.lookup_path(file_id)
 
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            return self._get_ie(path)
 
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            raise errors.NoSuchId(None, file_id)
 
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class GitIndexInventory(inventory.Inventory):
 
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    """Inventory that retrieves its contents from an index file."""
 
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        return "<%s for %r>" % (self.__class__.__name__, self.index)
 
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    def __init__(self, basis_inventory, fileid_map, index, store):
 
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        if basis_inventory is None:
 
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            root_id = basis_inventory.root.file_id
 
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        super(GitIndexInventory, self).__init__(revision_id=None, root_id=root_id)
 
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        self.basis_inv = basis_inventory
 
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        self.fileid_map = fileid_map
 
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        self._contents_read = False
 
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        self.root = self.add_path("", 'directory',
 
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            self.fileid_map.lookup_file_id(""), None)
 
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    def iter_entries_by_dir(self, specific_file_ids=None, yield_parents=False):
 
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        self._read_contents()
 
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        return super(GitIndexInventory, self).iter_entries_by_dir(
 
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            specific_file_ids=specific_file_ids, yield_parents=yield_parents)
 
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    def has_id(self, file_id):
 
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        if type(file_id) != str:
 
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            self.id2path(file_id)
 
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        except errors.NoSuchId:
 
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    def has_filename(self, path):
 
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        if path in self.index:
 
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        self._read_contents()
 
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        return super(GitIndexInventory, self).has_filename(path)
 
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    def id2path(self, file_id):
 
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        if type(file_id) != str:
 
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        path = self.fileid_map.lookup_path(file_id)
 
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        if path in self.index:
 
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        self._read_contents()
 
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        return super(GitIndexInventory, self).id2path(file_id)
 
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    def path2id(self, path):
 
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        if type(path) in (list, tuple):
 
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            path = "/".join(path)
 
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        if path in self.index:
 
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            file_id = self.fileid_map.lookup_file_id(path)
 
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            self._read_contents()
 
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            file_id = super(GitIndexInventory, self).path2id(path)
 
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        if file_id is not None and type(file_id) is not str:
 
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    def __getitem__(self, file_id):
 
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        self._read_contents()
 
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        return super(GitIndexInventory, self).__getitem__(file_id)
 
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    def _read_contents(self):
 
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        if self._contents_read:
 
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        self._contents_read = True
 
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        pb = ui.ui_factory.nested_progress_bar()
 
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            for i, (path, value) in enumerate(self.index.iteritems()):
 
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                pb.update("creating working inventory from index",
 
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                assert isinstance(path, str)
 
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                assert isinstance(value, tuple) and len(value) == 10
 
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                (ctime, mtime, dev, ino, mode, uid, gid, size, sha, flags) = value
 
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                if self.basis_inv is not None:
 
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                        old_ie = self.basis_inv._get_ie(path)
 
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                    file_id = self.fileid_map.lookup_file_id(path)
 
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                    file_id = old_ie.file_id
 
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                if type(file_id) != str:
 
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                kind = mode_kind(mode)
 
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                if old_ie is not None and old_ie.hexsha == sha:
 
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                    # Hasn't changed since basis inv
 
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                    self.add_parents(path)
 
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                    ie = self.add_path(path, kind, file_id,
 
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                        self.add_parents(path))
 
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                    data = self.store[sha].data
 
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                    if kind == "symlink":
 
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                        ie.symlink_target = data
 
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                        ie.text_sha1 = osutils.sha_string(data)
 
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                        ie.text_size = len(data)
 
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    def add_parents(self, path):
 
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        dirname, _ = osutils.split(path)
 
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        file_id = super(GitIndexInventory, self).path2id(dirname)
 
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                parent_fid = self.add_parents(dirname)
 
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            ie = self.add_path(dirname, 'directory',
 
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                    self.fileid_map.lookup_file_id(dirname), parent_fid)
 
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            if self.basis_inv is not None and ie.file_id in self.basis_inv:
 
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                ie.revision = self.basis_inv[ie.file_id].revision
 
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        if type(file_id) != str: