subtree(users/wpcarro): docking briefcase at '24f5a642'

git-subtree-dir: users/wpcarro
git-subtree-mainline: 464bbcb15c
git-subtree-split: 24f5a642af
Change-Id: I6105b3762b79126b3488359c95978cadb3efa789

users/wpcarro/utils/default.nix

@@ -0,0 +1,14 @@
+args@{ pkgs, ... }:
+
+# This top-level module exposes all of my utility functions for Nix. It should
+# be used like:
+# ```nix
+# inherit (briefcase.utils) fs;
+# ```
+
+let
+  builder = import ./builder.nix args;
+  fs      = import ./fs.nix args;
+in {
+  inherit builder fs;
+}