58 lines
1.7 KiB
Nix
58 lines
1.7 KiB
Nix
{ lib, config, pkgs, nixpkgs, ... }:
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{
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## Below is to align shell/system to flake's nixpkgs
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## ref: https://nixos-and-flakes.thiscute.world/best-practices/nix-path-and-flake-registry
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# Make `nix repl '<nixpkgs>'` use the same nixpkgs as the one used by this flake.
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environment.etc."nix/inputs/nixpkgs".source = "${nixpkgs}";
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nix = {
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# make `nix run nixpkgs#nixpkgs` use the same nixpkgs as the one used by this flake.
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registry.nixpkgs.flake = nixpkgs;
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channel.enable = false; # remove nix-channel related tools & configs, we use flakes instead.
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# but NIX_PATH is still used by many useful tools, so we set it to the same value as the one used by this flake.
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# https://github.com/NixOS/nix/issues/9574
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settings.nix-path = lib.mkForce "nixpkgs=/etc/nix/inputs/nixpkgs";
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###
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settings = {
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# Enable flakes
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experimental-features = [
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"nix-command"
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"flakes"
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];
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# Substitutions
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trusted-substituters = [
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"https://cache.garnix.io"
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"https://nix-community.cachix.org"
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"https://numtide.cachix.org"
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];
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trusted-public-keys = [
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"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
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"numtide.cachix.org-1:2ps1kLBUWjxIneOy1Ik6cQjb41X0iXVXeHigGmycPPE="
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"cache.garnix.io:CTFPyKSLcx5RMJKfLo5EEPUObbA78b0YQ2DTCJXqr9g="
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];
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# Fallback quickly if substituters are not available.
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connect-timeout = 5;
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# Avoid copying unnecessary stuff over SSH
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builders-use-substitutes = true;
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trusted-users = [ "root" "@wheel" ];
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warn-dirty = false;
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# The default at 10 is rarely enough.
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log-lines = lib.mkDefault 25;
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};
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};
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}
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