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Nix Hackers

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8 Dec 2025
@joerg:thalheim.ioMic92

John Ericson: looks like there is some issue now when using the current stable nix against a new nix daemon?

clan-env % nix develop
path '/home/joerg/git/clan-core/pkgs/clan-cli' does not contain a 'flake.nix', searching up
error:
       … while checking derivation '/nix/store/v8qnm8aabm0fp0v2xf3cavsgwqfgc2bk-clan-env.drv'

       error: derivation has incorrect deferred output, should be '/nix/store/jq6nq5bvdv23xdjajsaj2ay6vni5bkki-clan-env'

clan-env % real-which nix
/nix/store/ah8kqqslr7jig18fd4hzmdk2bhbqs8a7-nix-2.31.2/bin/nix


clan-env % /nix/store/7ykgjirdiwxkdwyh3hypd27ifx7aws29-nix-2.33.0pre20251208_5b5d4cb/bin/nix develop
path '/home/joerg/git/clan-core/pkgs/clan-cli' does not contain a 'flake.nix', [joerg@eve clan-cli]$

16:50:58
@dramforever:matrix.orgdramforevernevermind17:01:56
@dramforever:matrix.orgdramforeverthe tests just fail on linux without sandbox...17:02:15
@dramforever:matrix.orgdramforeverwhat the heck17:02:20
@Ericson2314:matrix.orgJohn Ericson
In reply to @joerg:thalheim.io

John Ericson: looks like there is some issue now when using the current stable nix against a new nix daemon?

clan-env % nix develop
path '/home/joerg/git/clan-core/pkgs/clan-cli' does not contain a 'flake.nix', searching up
error:
       … while checking derivation '/nix/store/v8qnm8aabm0fp0v2xf3cavsgwqfgc2bk-clan-env.drv'

       error: derivation has incorrect deferred output, should be '/nix/store/jq6nq5bvdv23xdjajsaj2ay6vni5bkki-clan-env'

clan-env % real-which nix
/nix/store/ah8kqqslr7jig18fd4hzmdk2bhbqs8a7-nix-2.31.2/bin/nix


clan-env % /nix/store/7ykgjirdiwxkdwyh3hypd27ifx7aws29-nix-2.33.0pre20251208_5b5d4cb/bin/nix develop
path '/home/joerg/git/clan-core/pkgs/clan-cli' does not contain a 'flake.nix', [joerg@eve clan-cli]$

Woah!
17:02:25
@Ericson2314:matrix.orgJohn EricsonAre you doing CA derivations?17:02:31
@xokdvium:matrix.orgSergei Zimmerman (xokdvium)
In reply to @dramforever:matrix.org
the tests just fail on linux without sandbox...
Let me guess, `/homeless-shelter’ exists?
17:04:27
@dramforever:matrix.orgdramforeveri don't think so17:05:11
@dramforever:matrix.orgdramforeveri can try to mess with sandbox-build-dir though17:08:35
@dramforever:matrix.orgdramforevermaybe it's some cgroup and auto-allocate-uids stuff?17:18:34
@joerg:thalheim.ioMic92no.17:29:44
@joerg:thalheim.ioMic92no to what?17:37:20
@joerg:thalheim.ioMic92Probably should be merged before the release: https://github.com/NixOS/nix/pull/1473920:16:00
@joerg:thalheim.ioMic92https://github.com/NixOS/nix/pull/14743 and now this one as well22:27:09

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