infrastructure/hosts/neodymium/system/nix/default.nix

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{ lib, pkgs, ... }: {
# restrict nix command to sudoers
nix.settings.allowed-users = [ "@wheel" ];
# experimental features
nix.settings.experimental-features = [ "nix-command" "flakes" ];
# optimizations
nix.settings.auto-optimise-store = true;
# garbage collection
nix.gc = {
automatic = true;
dates = "weekly";
options = "--delete-older-than 30d";
};
# binary caches
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nix.settings = {
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substituters =
[ "https://hyprland.cachix.org" "https://nix-community.cachix.org" ];
trusted-public-keys = [
"hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
];
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};
# list of allowed unfree packages
nixpkgs.config.allowUnfreePredicate = pkg:
builtins.elem (lib.getName pkg) [
"vscode"
"vscode-extension-github-copilot"
"vscode-extension-github-copilot-chat"
"vscode-extension-ms-vsliveshare-vsliveshare"
];
system.activationScripts.nvd-report-changes = ''
PATH=$PATH:${lib.makeBinPath [ pkgs.nvd pkgs.nix ]}
nvd diff $(ls -dv /nix/var/nix/profiles/system-*-link | tail -2)
'';
}