Reference

patname(1) on Linux

The text e0f38b0edb55, as Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it.

patch generator tools

patname(1) on Linux now