!9IQChSjwSHXPPWTa:lix.systems

Lix

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Lix user channel. Feel free to discuss on-topic issues here and give each other help. For matrix.to links to the rest of the Lix channels, see: https://wiki.lix.systems/books/lix-organisation/page/matrix-rooms290 Servers

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30 Oct 2025
@weethet:catgirl.cloudWeetHetIt kinda depends on nix-instantiate --eval --raw only available on Lix 2.94 (unreleased) though so I do wonder how useful it would be before that release11:32:48
@522_:catgirl.cloud522 it/its ⛯ΘΔ installing it as lix-run so you can do lix run would be fun
AFAIK the lix binary is purely there to run subcommands?
11:39:02
@weethet:catgirl.cloudWeetHetI wanted it to be as close to nix-smth binaries as possible thus nix-run and not lix-run11:43:39
@toonn:matrix.orgtoonn That's just a matter of a symlink on PATH, no? 12:16:40
@antifuchs:asf.computerantifuchs so I'm wondering if this is a lix issue with remote builders: I use https://github.com/quinneden/virby-nix-darwin to expose an x86_64-linux VM as a remote builder on my arm64 macbook, which has a little ssh proxy built in so when the first build request is made to the stopped VM, it starts the machine and then forwards the request; however, the first build request (or requests?) seems to always be failing with error: a 'aarch64-linux' with features {} is required to build '/nix/store/wg7ji5fmagvii20zafvrgri6f0b52iqc-nixos-25.11.20251028.e99366c.drv', but I am a 'aarch64-darwin' with features {apple-virt, benchmark, big-parallel, nixos-test}. subsequent builds do work however 13:13:03
@weethet:catgirl.cloudWeetHetYeah13:38:21
@weethet:catgirl.cloudWeetHetI was more talking about how the binary in $out/bin should be called13:38:48
@ekler:feel-co.orgekler

yes, or symlinkJoin to wrap the package would take care of it

13:58:06
@k900:0upti.meK900image.png
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17:28:41
@k900:0upti.meK900Holy shit whoever added this I love you17:28:46
@aloisw:julia0815.dealoisw https://git.lix.systems/lix-project/lix/commit/95234469015505131983ebc0bf092b7e20b6d2fd right? 17:29:11
@k900:0upti.meK900I don't know17:30:34
@k900:0upti.meK900I have not looked17:30:36
@ekler:feel-co.orgekler

amazing commit, no notes

17:42:08
@ekler:feel-co.orgekleri was doing some cursed grep thing but this is nicer17:42:28
@kfears:matrix.orgKFears (burnt out)Damn, that's a life-changer17:49:44
@aleksi:pikaviestin.fialeksiHey, is there a way to set a speed factor/something else to signify that a remote builder is less-preferred than the local system? As in, the remote builder should only be invoked if the local system's build slots are filled18:10:55
@gsaurel:laas.frnim65s aleksi: this: https://search.nixos.org/options?channel=25.05&show=nix.buildMachines.*.speedFactor&query=builders ? 18:14:56
@gsaurel:laas.frnim65s * aleksi: this: https://search.nixos.org/options?channel=unstable&show=nix.buildMachines.*.speedFactor ? 18:15:20
@gsaurel:laas.frnim65sthe formula is more about "load/speedFactor" than "slots are filled": https://github.com/NixOS/nix/blob/master/src/nix/build-remote/build-remote.cc#L16818:17:22
@gsaurel:laas.frnim65s* the formula is more about "load/speedFactor" than "slots are filled": https://git.lix.systems/lix-project/lix/src/commit/5346b2bc6884ab71c1d0fc858f3b11484d01cbfb/lix/legacy/build-remote.cc#L12318:19:37
@k900:0upti.meK900 No :( 18:38:13
@niklaskorz:matrix.orgniklaskorzPXL_20251030_184712183_1.jpg
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18:49:41
@niklaskorz:matrix.orgniklaskorzWhy is there a Lix drawer in the RaumZeitLabor 👀18:49:50
@yuka:yuka.devYureka (she/her)maybe it contains ice cream :D18:51:28
@aleksi:pikaviestin.fialeksi
In reply to @gsaurel:laas.fr
the formula is more about "load/speedFactor" than "slots are filled": https://github.com/NixOS/nix/blob/master/src/nix/build-remote/build-remote.cc#L168
Thanks, I see!
18:52:56
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31 Oct 2025
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