On Wed, 19 Dec 2018 15:57:04 +0100 Ludovic Courtès wrote: > We added support to retrieve Git checkouts (and some tarballs) from > Software Heritage recently: > > https://issues.guix.info/issue/33432 > > The Internet Archive is not in the business of archiving software, but > it’d be interesting to see if it archives tarballs that people put on > “random” web sites, in which case it could also be useful. We sometimes use it to replace expired packages or home-page URIs: In some cases, the home-page or even the tar-file is in the archive. But that is a manual step of cause. A famous example of recent time is the package bzip2, where the domain expired and was taken over. Björn