Add nix.extraOptions option

datakami · Jun 13, 2024 · 44910c5 · 44910c5
1 parent 69bbc89
commit 44910c5
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/modules/nix.nix b/modules/nix.nix
@@ -3,6 +3,7 @@ let
   cfg = config.cognix;
   nixConfig = ''
     experimental-features = nix-command flakes
+    ${cfg.nix.extraOptions}
   '';
   registry = builtins.toJSON {
     version = 2;
@@ -32,6 +33,16 @@ in
         This also sets the NIX_PATH so nixpkgs points to the nixpkgs used in cognix.
       '';
     };
+    nix.extraOptions = mkOption {
+      type = types.lines;
+      default = "";
+      example = ''
+        cores = 4
+      '';
+      description = ''
+        Additional text appended to {file}`nix.conf` inside the image, when includeNix = true.
+      '';
+    };
   };
   config = lib.mkIf cfg.includeNix {
     dockerTools.streamLayeredImage = {