On 01/09/14 16:58, The Wanderer wrote: > Unless debootstrap relies on the outside source to perform that > decompression, of course, but in that case I'm not sure what it would > even mean to say that debootstrap "supports" xz in the first place. In this case "debootstrap supports xz" means "debootstrap knows that if the ar file contains *.tar.xz, it should be unpacked using xzcat". (See debootstrap's source code.) S