initial commit

lib/default.nix

@@ -0,0 +1,21 @@
+#NOTE(starter): custom functions added here are available via `lib.custom.foo` by passing `lib` into
+# the expression parameters. The two functions below are used by `nix-config` and should not be modified.
+{ lib, ... }:
+{
+  # use path relative to the root of the project
+  relativeToRoot = lib.path.append ../.;
+  scanPaths =
+    path:
+    builtins.map (f: (path + "/${f}")) (
+      builtins.attrNames (
+        lib.attrsets.filterAttrs (
+          path: _type:
+          (_type == "directory") # include directories
+          || (
+            (path != "default.nix") # ignore default.nix
+            && (lib.strings.hasSuffix ".nix" path) # include .nix files
+          )
+        ) (builtins.readDir path)
+      )
+    );
+}