45 lines
1 KiB
Nix
45 lines
1 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.system.copySysConf;
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cfgPath = ../.;
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copySysConf = if (cfgPath == /etc/nixos) then pkgs.stdenv.mkDerivation rec {
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name = "NixOS_Configuration-${version}";
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version = commitIdFromGitRepo (cfgPath + "/.git");
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src = cleanSource cfgPath;
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installPhase = ''
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cp -R ./. $out
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'';
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} else (builtins.toPath ../.);
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in {
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options.system.copySysConf = {
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enable = mkOption {
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type = types.bool;
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description = ''
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Wether to copy the systems configuration.
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'';
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};
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addToNixPath = mkOption {
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type = types.bool;
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description = ''
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Use backup for nixos-rebuild.
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'';
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};
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};
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config = mkIf cfg.enable {
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nix = mkIf cfg.addToNixPath {
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# Do not use lib.optionals as it would override the default nixPath
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nixPath = [
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"nixpkgs=/nix/var/nix/profiles/per-user/root/channels/nixos"
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"nixos-config=${copySysConf}/configuration.nix"
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"/nix/var/nix/profiles/per-user/root/channels"
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];
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};
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};
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}
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