Hi, On lun., 25 juil. 2022 at 21:42, Saku Laesvuori <s...@laesvuori.fi> wrote: > I'm trying to install telegram-desktop and I *think* guix should be able > to substitute it, but instead it tries to build it. (which then > consistently fails, which is why I started looking into it)
Do you have allowed substitutes? > $ guix describe > Generation 11 Jul 25 2022 10:15:41 (current) > guix 2367469 > repository URL: https://git.savannah.gnu.org/git/guix.git > commit: 236746900f062b34c857c4aab21709bcf1448ac7 > > There is a build for telegram-desktop for x86_64-linux > (https://ci.guix.gnu.org/build/1119886/details) that is part of an > evaluation on the same commit that my guix is on. --8<---------------cut here---------------start------------->8--- $ guix time-machine --commit=2367469 -- weather telegram-desktop computing 1 package derivations for x86_64-linux... looking for 1 store items on https://ci.guix.gnu.org... https://ci.guix.gnu.org 100.0% substitutes available (1 out of 1) at least 44,6 MiB of nars (compressed) 100,2 MiB on disk (uncompressed) at least 1 000 queued builds powerpc64le-linux: 990 (99.0%) i686-linux: 6 (.6%) x86_64-linux: 4 (.4%) build rate: 28.06 builds per hour x86_64-linux: 11.92 builds per hour aarch64-linux: 7.26 builds per hour i686-linux: 5.42 builds per hour powerpc64le-linux: 6.34 builds per hour looking for 1 store items on https://bordeaux.guix.gnu.org... https://bordeaux.guix.gnu.org 100.0% substitutes available (1 out of 1) 21,6 MiB of nars (compressed) 100,2 MiB on disk (uncompressed) (continuous integration information unavailable) --8<---------------cut here---------------end--------------->8--- > One confusing thing I've noticed while looking into this is that when > guix starts building telegram-desktop it says it's building > > /gnu/store/aqhqhza58lzkvzxrspzbf8v9ssqvkxri-telegram-desktop-2.9.3.drv > > but the derivation on ci.guix.gnu.org is > > /gnu/store/gz50dz1rfaik7s33d22r2lmyzwd7f7bm-telegram-desktop-2.9.3.drv > > Can someone explain what's happening here and what I have misunderstood? --8<---------------cut here---------------start------------->8--- $ guix time-machine --commit=2367469 -- build telegram-desktop -n -d The following derivation would be built: /gnu/store/aqhqhza58lzkvzxrspzbf8v9ssqvkxri-telegram-desktop-2.9.3.drv $ guix time-machine --commit=2367469 -- build telegram-desktop -n -d --no-grafts /gnu/store/gz50dz1rfaik7s33d22r2lmyzwd7f7bm-telegram-desktop-2.9.3.drv --8<---------------cut here---------------end--------------->8--- However, as you noticed, the ungrafted version seems substituable and not the grafted one. I agree it is confusing that “guix weather” reports an avaibility when it is not the case for “guix build”. Maybe, it can be considered as a bug. Cheers, simon
