flake/nixos/profiles/core/nix.nix

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Nix
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{
lib,
config,
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inputs,
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...
}: {
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nix.settings = {
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substituters =
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(lib.optionals (config.time.timeZone == "Asia/Shanghai") [
"https://mirrors.tuna.tsinghua.edu.cn/nix-channels/store" # TUNA - 清华大学 Mirror
])
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++ [
"https://nix-community.cachix.org"
"https://guanran928.cachix.org"
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];
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trusted-public-keys = [
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"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
"guanran928.cachix.org-1:BE/iBCj2/pqJXG908wHRrcaV0B2fC+KbFjHsXY6b91c="
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];
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experimental-features = [
"auto-allocate-uids"
"cgroups"
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"flakes"
"nix-command"
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"no-url-literals"
];
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flake-registry = "";
trusted-users = ["@wheel"];
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allow-import-from-derivation = false;
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auto-allocate-uids = true;
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auto-optimise-store = true;
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builders-use-substitutes = true;
use-cgroups = true;
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use-xdg-base-directories = true;
};
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nix = {
# Add each flake input as a registry
# To make nix3 commands consistent with the flake
registry = lib.mapAttrs (_: value: {flake = value;}) inputs;
# Disable nix-channel
channel.enable = false;
gc = {
automatic = true;
dates = "weekly";
options = "--delete-older-than 7d";
};
extraOptions = "!include ${config.sops.secrets.nix-access-tokens.path}";
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};
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users.groups."nix-access-tokens" = {};
sops.secrets."nix-access-tokens" = {
group = config.users.groups."nix-access-tokens".name;
mode = "0440";
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};
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}