neovim: nightly option

home/modules/neovim.nix

@@ -1,11 +1,15 @@
-{ pkgs, lib, config, ... }:
+{ pkgs, lib, config, inputs, ... }:
 
 let
   cfg = config.snowhawk.neovim;
+
+  nightlyPackage = inputs.neovim-overlay.packages.${pkgs.system}.default;
 in
 {
   options.snowhawk.neovim = {
-    enable = lib.mkEnableOption "neovim";
+    enable = lib.mkEnableOption "neovim home-manager module";
+
+    nightly = lib.mkEnableOption "nightly build of neovim";
 
     package = lib.mkPackageOption pkgs "neovim" {
       default = [ "neovim-unwrapped" ];
@@ -31,6 +35,8 @@ in
       };
     in
     lib.mkIf cfg.enable {
+      snowhawk.neovim.package = lib.mkIf cfg.nightly (lib.mkDefault nightlyPackage);
+
       # Set nvim as manpager and default editor
       home.sessionVariables = {
         EDITOR = "nvim";