From db3abd6694568bd0ba83c9cde04db427607425b6 Mon Sep 17 00:00:00 2001
From: Mark Nipper <nipsy@bitgnome.net>
Date: Mon, 2 Mar 2026 10:52:27 -0800
Subject: Add staging-nixos branch for use

---
 flake.nix            |  2 ++
 overlays/default.nix | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/flake.nix b/flake.nix
index c1122ed..eb3936f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -27,6 +27,7 @@
     # persistent base NixOS URLs
     nixpkgs-master.url = "github:NixOS/nixpkgs";
     nixpkgs-stable.url = "github:NixOS/nixpkgs/nixos-25.11";
+    nixpkgs-staging.url = "github:NixOS/nixpkgs/staging-nixos";
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
 
     # per https://nixos-and-flakes.thiscute.world/nixos-with-flakes/downgrade-or-upgrade-packages
@@ -56,6 +57,7 @@
     nixpkgs-master,
     #nixpkgs-pr495610,
     nixpkgs-stable,
+    nixpkgs-staging,
     #nixpkgs-wine9_22,
     nixpkgs,
     nvidia-patch,
diff --git a/overlays/default.nix b/overlays/default.nix
index 220632b..d8aabb0 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -9,6 +9,7 @@
 #   outputs.overlays.my-nixpkgs
 #   outputs.overlays.pr495610-packages
 #   outputs.overlays.stable-packages
+#   outputs.overlays.staging-packages
 #   outputs.overlays.wine9_22-packages
 # ]
 
@@ -106,4 +107,13 @@
       config.allowUnfree = true;
     };
   };
+
+  # When applied, the staging nixpkgs set (declared in the flake inputs) will
+  # be accessible through 'pkgs.staging'
+  staging-packages = final: _prev: {
+    staging = import inputs.nixpkgs-staging {
+      inherit (final) system;
+      config.allowUnfree = true;
+    };
+  };
 }
-- 
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