build python packages for llm

To get a more recent version of the llm python tool and the anthropic
module, we need to build the packages ourselves.

Refactor how we're building overlays to make it easier to add new
packages using the `pkgsUnstable` set.

4 files changed, 14 insertions, 13 deletions

diff --git a/nix/lib/mkSystem.nix b/nix/lib/mkSystem.nix
index b0f17ee..9cc504b 100644
--- a/nix/lib/mkSystem.nix
+++ b/nix/lib/mkSystem.nix
@@ -1,6 +1,10 @@
 # This function creates a NixOS system based on our VM setup for a
 # particular architecture.
-{ nixpkgs, inputs }:
+{
+  nixpkgs,
+  inputs,
+  overlays,
+}:
 
 name:
 {
@@ -27,6 +31,9 @@ systemFunc rec {
     # Allow unfree packages.
     { nixpkgs.config.allowUnfree = true; }
 
+    # Add overlays
+    { nixpkgs.overlays = overlays; }
+
     machineConfig
     userOSConfig
     home-manager.home-manager
diff --git a/nix/lib/overlays.nix b/nix/lib/overlays.nix
deleted file mode 100644
index 7b338c6..0000000
--- a/nix/lib/overlays.nix
+++ /dev/null
@@ -1,9 +0,0 @@
-let
-  path = ../../overlays;
-in
-with builtins;
-map (n: import (path + ("/" + n))) (
-  filter (n: match ".*\\.nix" n != null || pathExists (path + ("/" + n + "/default.nix"))) (
-    attrNames (readDir path)
-  )
-)
diff --git a/nix/users/fcuny/darwin.nix b/nix/users/fcuny/darwin.nix
index 1291031..fc412c9 100644
--- a/nix/users/fcuny/darwin.nix
+++ b/nix/users/fcuny/darwin.nix
@@ -1,7 +1,5 @@
 { pkgs, ... }:
 {
-  nixpkgs.overlays = import ../../../nix/lib/overlays.nix;
-
   # The user should already exist, but we need to set this up so Nix knows
   # what our home directory is (https://github.com/LnL7/nix-darwin/issues/423).
   users.users.fcuny = {
diff --git a/nix/users/fcuny/dev.nix b/nix/users/fcuny/dev.nix
index d2bb6eb..1f602c4 100644
--- a/nix/users/fcuny/dev.nix
+++ b/nix/users/fcuny/dev.nix
@@ -1,4 +1,8 @@
-{ config, pkgs, ... }:
+{
+  config,
+  pkgs,
+  ...
+}:
 {
   home.packages = with pkgs; [
     _1password-cli
@@ -14,6 +18,7 @@
     # python
     uv
     python3
+    llmPython.llm
 
     # nix
     nil # nix lsp