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Nix Hackers

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For people hacking on the Nix package manager itself187 Servers

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16 Sep 2025
@getchoo:matrix.orggetchoo when dogfooding is an enabled with this experimental installer option, you'll end up with an 4: Failed to execute command HOME="/root" "/nix/store/dkmylx2wyz9i6ycbmr07lpv15mph0d7y-nix-main-2.32.0pre/bin/nix-store" "--load-db"`` error
i traced it back to this pretty naive snippet of code that basically just takes the first path in the store matching nix-* and runs it, with no checks for if /bin/nix-store actually exists https://github.com/NixOS/experimental-nix-installer/blob/20be610e1f29c8a127146da67ed56f879b173ac6/src/action/base/setup_default_profile.rs#L55-L70
04:19:47
@getchoo:matrix.orggetchoo this worked before the component split in 2.29 since there would only be one main nix store path at this point, but now it matches the nix-main store path first, which doesn't a bin dir or any of the nix binaries 04:21:02

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