refactor(wpcarro/nixos): Define shared nopn.nix module r/4313

Shared between `ava` and `tarasco`. Also define `lib/default.nix` to share
utility functions like `usermod` between NixOS configurations.

Change-Id: I65b8d37520426e164c9d5f722bee4731a3c6e641
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5942
Tested-by: BuildkiteCI
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/users/wpcarro/lib/default.nix b/users/wpcarro/lib/default.nix
new file mode 100644
index 000000000000..6354877dd468
--- /dev/null
+++ b/users/wpcarro/lib/default.nix
@@ -0,0 +1,5 @@
+{ depot, ... }:
+
+{
+  usermod = name: depot.path.origSrc + ("/users/wpcarro/nixos/modules/${name}");
+}