From 403cafdef1b7c3354e2b515375396d776e15c9b9 Mon Sep 17 00:00:00 2001
From: ChUrl <christoph.urlacher@protonmail.com>
Date: Mon, 8 Aug 2022 20:28:54 +0200
Subject: [PATCH] add initial modules lib

---
 lib/modules.nix | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 lib/modules.nix

diff --git a/lib/modules.nix b/lib/modules.nix
new file mode 100644
index 00000000..b862db79
--- /dev/null
+++ b/lib/modules.nix
@@ -0,0 +1,19 @@
+{ inputs, pkgs, lib, ... }:
+
+let
+
+in {
+  mkBoolOpt = { def, desc ? "" }:
+  {
+    type = lib.types.bool;
+    default = def;
+    description = desc;
+  };
+
+  linkMutable = { src, dest, after }:
+  lib.hm.dag.entryAfter [ "writeBoundary" ] ++ after ''
+    if [ ! -L "${dest}" ]; then
+      ln -sf ${src} ${dest}
+    fi
+  '';
+}