69 lines
1.8 KiB
Nix
69 lines
1.8 KiB
Nix
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{ config, lib, pkgs, ... }:
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let
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# Taken from https://nixos.wiki/wiki/Overlays
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overlaysCompat = pkgs.writeTextFile {
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name = "overlays-compat";
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destination = "/overlays.nix";
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text = ''
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self: super:
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with super.lib;
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let
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# Load the system config and get the `nixpkgs.overlays` option
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overlays = (import <nixpkgs/nixos> { }).config.nixpkgs.overlays;
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in
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# Apply all overlays to the input of the current "main" overlay
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foldl' (flip extends) (_: super) overlays self
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'';
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};
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in
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{
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sops.secrets.binary-cache-secret-key = { };
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sops.secrets.nix-netrc = {
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group = "wheel";
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mode = "0440";
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};
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nix = {
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nixPath = [
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"/var/src" # pinned nixpkgs and configuration
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"nixpkgs=/var/src/nixpkgs" # for nix run
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"nixpkgs-overlays=${overlaysCompat}"
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];
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# Make sudoers trusted nix users
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trustedUsers = [ "@wheel" ];
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binaryCaches = [
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"https://nix-cache.sbruder.de/"
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];
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binaryCachePublicKeys = [
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"nix-cache.sbruder.de-1:bU13eF6IMMW2hgO7StgB6JCAoZPeAQ27NAzV0kru1XM="
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];
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# On-the-fly optimisation of nix store
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autoOptimiseStore = true;
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extraOptions = ''
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# Binary cache upload
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secret-key-files = ${config.sops.secrets.binary-cache-secret-key.path}
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netrc-file = ${config.sops.secrets.nix-netrc.path}
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'' + lib.optionalString config.sbruder.full ''
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# Keep output of derivations with gc root
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keep-outputs = true
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keep-derivations = true
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'';
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# Make nix build in background less noticeable
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daemonNiceLevel = 10;
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daemonIONiceLevel = 5; # 0-7
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};
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nixpkgs.overlays = [
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(import ../pkgs)
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(final: prev: {
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unstable = import (import ../nix/sources.nix).nixpkgs-unstable {
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config = config.nixpkgs.config;
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overlays = config.nixpkgs.overlays;
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};
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})
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];
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}
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