def _move_to_store(self, srcpath, objhash):
        """
        Make the object read-only and move it to the store.
        """
        destpath = self.object_path(objhash)
        if os.path.exists(destpath):
            # Windows: delete any existing object at the destination.
            os.chmod(destpath, S_IWUSR)
            os.remove(destpath)
        os.chmod(srcpath, S_IRUSR | S_IRGRP | S_IROTH)  # Make read-only
        move(srcpath, destpath)
Make the object read-only and move it to the store.