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{ flake, flakeInputs, home-manager, path, hostName, config, lib, pkgs, customUtils, ... }:
with lib;
let
profileSet = customUtils.types.attrNameSet flake.nixosModules.systemProfiles;
userProfileSet = customUtils.types.attrNameSet (zipAttrs (attrValues flake.nixosModules.userProfiles));
hasSops = config.sops.secrets != {};
in {
imports =
[ flakeInputs.sops-nix.nixosModules.sops
home-manager.nixosModules.home-manager
];
options = {
# See mkSystemProfile in ../flake.nix
system.profiles = mkOption {
type = profileSet;
default = [];
description = ''
Set (list without duplicates) of ‘systemProfiles’ enabled for this host
'';
};
users.users = mkOption {
type = types.attrsOf (types.submodule {
options.profiles = mkOption {
type = userProfileSet;
default = [];
description = ''
Set (list without duplicates) of ‘userProfiles’ enabled for this user
'';
};
});
};
nixpkgs.externalConfig = mkOption {
default = {};
example = literalExpression
''
{ allowBroken = true; allowUnfree = true; }
'';
type = mkOptionType {
name = "nixpkgs-config";
description = "nixpkgs config";
check = x:
let traceXIfNot = c:
if c x then true
else traceSeqN 1 x false;
isConfig = x:
builtins.isAttrs x || isFunction x;
in traceXIfNot isConfig;
merge = args:
let
optCall = f: x:
if isFunction f
then f x
else f;
mergeConfig = lhs_: rhs_:
let
lhs = optCall lhs_ { inherit pkgs; };
rhs = optCall rhs_ { inherit pkgs; };
in
recursiveUpdate lhs rhs //
optionalAttrs (lhs ? packageOverrides) {
packageOverrides = pkgs:
optCall lhs.packageOverrides pkgs //
optCall (attrByPath [ "packageOverrides" ] { } rhs) pkgs;
} //
optionalAttrs (lhs ? perlPackageOverrides) {
perlPackageOverrides = pkgs:
optCall lhs.perlPackageOverrides pkgs //
optCall (attrByPath [ "perlPackageOverrides" ] { } rhs) pkgs;
};
in foldr (def: mergeConfig def.value) {};
};
description = mdDoc ''
The configuration of the Nix Packages collection. (For
details, see the Nixpkgs documentation.) It allows you to set
package configuration options.
Used to construct `nixpkgs.pkgs`.
'';
};
nixpkgs.flakeInput = mkOption {
type = types.enum (attrNames flakeInputs);
default = if flakeInputs ? "nixpkgs-${hostName}" then "nixpkgs-${hostName}" else "nixpkgs";
defaultText = literalExpression ''if flakeInputs ? "nixpkgs-''${hostName}" then "nixpkgs-''${hostName}" else "nixpkgs"'';
internal = true;
};
};
config = {
networking.hostName = hostName;
system.configurationRevision = mkIf (flake ? rev) flake.rev;
nixpkgs.pkgs = import (flakeInputs.${config.nixpkgs.flakeInput}.outPath + "/pkgs/top-level") {
overlays = attrValues flake.overlays;
config = config.nixpkgs.externalConfig;
localSystem = config.nixpkgs.system;
};
nix = {
package = if builtins.hasAttr "latest" pkgs.nixVersions then pkgs.nixVersions.latest else pkgs.nixUnstable;
settings = {
sandbox = true;
allowed-users = [ "*" ];
trusted-users = [ "root" "@wheel" ];
experimental-features = ["nix-command" "flakes" "auto-allocate-uids" "cgroups"];
auto-allocate-uids = true;
use-cgroups = true;
use-xdg-base-directories = true;
flake-registry = "${flakeInputs.flake-registry}/flake-registry.json";
};
nixPath = [
"nixpkgs=${pkgs.runCommand "nixpkgs" {} ''
mkdir $out
ln -s ${./nixpkgs.nix} $out/default.nix
ln -s /run/nixpkgs/lib $out/lib
''}"
];
registry =
let override = { self = "nixos"; };
in mapAttrs' (inpName: inpFlake: nameValuePair
(override.${inpName} or inpName)
{ flake = inpFlake; } ) flakeInputs;
};
systemd.tmpfiles.rules = [
"L+ /run/nixpkgs - - - - ${flakeInputs.nixpkgs.outPath}"
"L+ /run/nixpkgs-overlays.nix - - - - ${pkgs.writeText "overlays.nix" ''
with builtins;
attrValues (import
(
let lock = fromJSON (readFile ${flake + "/flake.lock"}); in
fetchTarball {
url = "https://github.com/edolstra/flake-compat/archive/''${lock.nodes.flake-compat.locked.rev}.tar.gz";
sha256 = lock.nodes.flake-compat.locked.narHash;
}
)
{ src = ${flake}; }
).defaultNix.overlays
''}"
];
users.mutableUsers = false;
# documentation.nixos.includeAllModules = true; # incompatible with home-manager (build fails)
home-manager = {
useGlobalPkgs = true; # Otherwise home-manager would only work impurely
useUserPackages = false;
backupFileExtension = "bak";
};
sops = mkIf hasSops {
age = {
keyFile = "/var/lib/sops-nix/key.txt";
generateKey = false;
sshKeyPaths = [];
};
gnupg = {
home = null;
sshKeyPaths = [];
};
};
programs.git = {
enable = true;
lfs.enable = true;
};
environment.systemPackages = with pkgs; [ git-annex scutiger ];
system.activationScripts.symlink-flake = ''
if test -L /etc/nixos; then
ln -nsf ${flake} /etc/nixos
elif test -d /etc/nixos && rmdir --ignore-fail-on-non-empty /etc/nixos; then
ln -s ${flake} /etc/nixos
fi
'';
};
}
|
