1 files changed, 52 insertions, 0 deletions
diff --git a/lib.nix b/lib.nix
new file mode 100644
index 0000000..e5a019c
--- /dev/null
+++ b/lib.nix
@@ -0,0 +1,52 @@
+{
+  lib ? import <nixpkgs/lib>,
+}:
+
+lib.fix (self: {
+  evalCores =
+    {
+      modules,
+      specialArgs,
+    }:
+
+    lib.evalModules {
+      modules = [ ./modules ] ++ modules;
+      inherit specialArgs;
+      class = "core";
+    };
+
+  mkCores =
+    {
+      module,
+      specialArgs,
+      sources,
+    }:
+
+    self.outputsWithExtend (
+      self.evalCores {
+        modules = [
+          module
+
+          (
+            { lib, ... }:
+
+            {
+              sources = lib.mkDefault sources;
+            }
+          )
+        ];
+
+        inherit specialArgs;
+      }
+    );
+
+  outputsWithExtend =
+    cores:
+
+    assert cores.class == "core";
+
+    cores.config.outputs
+    // {
+      extendCores = module: self.outputsWithExtend (cores.extendModules { modules = [ module ]; });
+    };
+})