--delete delete existing entries for INFO-FILE from DIR-FILE; don't insert any new entries.
--dir-file=NAME specify file name of Info directory file. This is equivalent to using the DIR-FILE argument.
--entry=TEXT insert TEXT as an Info directory entry. TEXT should have the form of an Info menu item line plus zero or more extra lines starting with whitespace. If you specify more than one entry, they are all added. If you don't specify any entries, they are determined from information in the Info file itself.
--help display this help and exit.
--info-file=FILE specify Info file to install in the directory. This is equivalent to using the INFO-FILE argument.
--info-dir=DIR same as --dir-file=DIR/dir.
--item=TEXT same as --entry TEXT. An Info directory entry is actually a menu item.
--quiet suppress warnings.
--remove same as --delete.
--section=SEC put this file's entries in section SEC of the directory. If you specify more than one section, all the entries are added in each of the sections. If you don't specify any sections, they are determined from information in the Info file itself.
--version display version information and exit.
should give you access to the complete manual.