ludo@gnu.org (Ludovic Courtès) writes: > Mark H Weaver skribis: > >> I just realized that my x86_64 and Loongson 3A systems have spent an >> enormous amount of time building the new guix master branch based on >> outdated bootstrap/*/guile-2.0.9.tar.xz. >> >> The issue is that if you simply "git pull" from a build directory with >> older versions of bootstrap/*/guile-2.0.9.tar.xz, although the various >> places where the hashes are stored are updated, those new hashes are >> never checked against the existing files. Therefore, you can proceed to >> build an entire system based on an outdated bootstrap guile, and with >> hashes that don't match what's on hydra and what other people are >> building. > > Right, ‘guix pull’ doesn’t survive updates of the bootstrap Guile > tarballs, because it doesn’t try to download it (see ‘build-guix’ in > guix/build/pull.scm.) That’s rare in practice, but still a serious > limitation as you note. :-/ Hmm, yes, I suppose that "guix pull" is more relevant for typical users, but actually that's not what I was talking about above. I was talking about "git pull" followed by "make". > There are other things to do in ‘guix pull’, such as authentication, and > improved bandwidth usage. For the latter an option would be to resort > to git, and perhaps for the former too. Yes, it seems to me that git is a good tool for this job. Mark