From 4e76d899f941d6ddc6e1d618c0a34e976b53ec20 Mon Sep 17 00:00:00 2001
From: "Adam C. Stephens" <adam@valkor.net>
Date: Mon, 24 Aug 2026 21:43:20 -0400
Subject: [PATCH] Update flake.lock and switch to overrideScope
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Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/b3c092d3c36d91e2f61f3dfb39a159f180a56659?narHash=sha256-BnbXO5s5EhV89lLXMAGCzPdEN5a6vNqvMk71obeTEUw%3D' (2026-06-22)
  → 'github:nixos/nixpkgs/c8f90650c15282fa8656a041bfbbd2403997a9a7?narHash=sha256-pRGOQSClnXNI2iLUG6DYpsGvYcuw0drOutVZFTJNw90%3D' (2026-08-22)
---
 fixtures/example/package.nix | 2 +-
 flake.lock                   | 6 +++---
 flake.nix                    | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/fixtures/example/package.nix b/fixtures/example/package.nix
index 8ab2e79..183f61e 100644
--- a/fixtures/example/package.nix
+++ b/fixtures/example/package.nix
@@ -5,7 +5,7 @@
 let
   src = ./.;
 
-  beamPackages = pkgs.beamMinimal28Packages.extend (_: prev: { elixir = prev.elixir_1_19; });
+  beamPackages = pkgs.beamMinimal28Packages.overrideScope (_: prev: { elixir = prev.elixir_1_19; });
 
   mixNixDeps = pkgs.callPackages ./deps.nix {
     beamPackages = beamPackages;
diff --git a/flake.lock b/flake.lock
index bbcfda6..1ffdc78 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1782118813,
-        "narHash": "sha256-BnbXO5s5EhV89lLXMAGCzPdEN5a6vNqvMk71obeTEUw=",
+        "lastModified": 1787394516,
+        "narHash": "sha256-pRGOQSClnXNI2iLUG6DYpsGvYcuw0drOutVZFTJNw90=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "b3c092d3c36d91e2f61f3dfb39a159f180a56659",
+        "rev": "c8f90650c15282fa8656a041bfbbd2403997a9a7",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index b22fd84..774284e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -27,7 +27,7 @@
       devShells = forAllSystems (
         { pkgs, ... }:
         let
-          beamPackages = pkgs.beam29Packages.extend (_: prev: { elixir = prev.elixir_1_20; });
+          beamPackages = pkgs.beam29Packages.overrideScope (_: prev: { elixir = prev.elixir_1_20; });
         in
         {
           default = pkgs.callPackage ./shells/local.nix { inherit beamPackages; };