treewide!: flatten to parts/ layout

1 files changed, 24 insertions, 0 deletions

diff --git a/parts/modules/nixos/base/nix.nix b/parts/modules/nixos/base/nix.nix
new file mode 100644
index 0000000..3dcac11
--- /dev/null
+++ b/parts/modules/nixos/base/nix.nix
@@ -0,0 +1,24 @@
+{
+  config,
+  lib,
+  inputs,
+  ...
+}: let
+  inherit (builtins) attrNames map;
+  inherit (lib) mkDefault mkIf;
+  cfg = config.base.nix-settings;
+
+  channelPath = i: "/etc/nix/channels/${i}";
+
+  mapInputs = fn: map fn (attrNames inputs);
+in {
+  config = mkIf cfg.enable {
+    nix = {
+      nixPath = mapInputs (i: "${i}=${channelPath i}");
+      gc.dates = mkDefault "weekly";
+    };
+
+    systemd.tmpfiles.rules =
+      mapInputs (i: "L+ ${channelPath i}     - - - - ${inputs.${i}.outPath}");
+  };
+}