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nixos/modules/nix-cache/remote-builder-client.nix
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beatzaplentyandClaude Sonnet 5 6f8c6c8ef1 Resolve all statix and nixpkgs-fmt warnings repo-wide
Zero W20 (repeated attribute keys), W10 (empty { ... }: variadic
pattern, use _: instead), and W04 (a = x.a instead of inherit)
warnings remain anywhere in the tree, and nixpkgs-fmt --check is
clean on all 46 .nix files.

Repeated-key merges go as deep as statix actually flags per file
(e.g. boot.loader.* nested under boot.loader = { ... } once the
outer boot.* merge exposed it as its own repeat) — every merge is a
pure attribute-path restructuring with no value changes, verified by
comparing config.system.build.toplevel.drvPath before/after for a
representative host per changed module plus a full 19-host + 4-package
eval sweep.

One indentation slip caught and fixed during this pass: nesting
modules/installer/common.nix's environment.etc."auto-install.sh".text
under an environment = { ... } block initially normalized the
script's shebang/set line indentation, which actually changes the
rendered file (Nix's '' string dedent treats it as real content, not
cosmetic whitespace) — reproduced the original's exact indentation
and reverified the rendered script is byte-identical to before.

modules/services/zfs/auto-mount-volumes.nix picked up formatting too;
worth noting it isn't imported by anything in this flake at all.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01La55Nsss8jZ7ZuzUV9mfot
2026-07-20 03:47:42 +10:00

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784 B
Nix

{ pkgs, vars, ... }:
{
# Install the remote builder key on each client host (do not commit private keys):
# sudo install -d -m 0700 /root/.ssh
# sudo install -m 0600 ./nixremote /root/.ssh/nixremote
# sudo ssh -i /root/.ssh/nixremote nixremote@nix-cache nix-store --version
nix = {
distributedBuilds = true;
buildMachines = [
{
hostName = vars.nixCacheHost;
sshUser = vars.remoteBuilderUser;
sshKey = "/root/.ssh/${vars.remoteBuilderUser}";
inherit (pkgs.stdenv.hostPlatform) system;
maxJobs = 4;
speedFactor = 2;
supportedFeatures = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
}
];
settings = {
builders-use-substitutes = true;
max-jobs = "auto";
};
};
}