From 270426ab6e55cbd07ac0e3c07ae693dbaaa1fd3a Mon Sep 17 00:00:00 2001
From: Robert Hensing <robert@roberthensing.nl>
Date: Fri, 3 Dec 2021 12:15:20 +0000
Subject: [PATCH] pkgs.pkgsModule: init

Having `pkgs` as a module argument is common, beyond just NixOS,
making this a useful convenience for setting it.

(cherry picked from commit dd6d8e3f0c38370ac8fb082ea7a3be06c949deed)
---
 pkgs/top-level/all-packages.nix | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d1e2011a4cfb..b703139bebd7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -33245,6 +33245,20 @@ with pkgs;
       in
         c.config.system.build // c;
 
+  /*
+    A NixOS/home-manager/arion/... module that sets the `pkgs` module argument.
+   */
+  pkgsModule = { lib, options, ... }: {
+    config =
+      if options?nixpkgs.pkgs then {
+        # legacy / nixpkgs.nix style
+        nixpkgs.pkgs = pkgs;
+      }
+      else {
+        # minimal
+        _module.args.pkgs = pkgs;
+      };
+  };
 
   /*
    * Run a NixOS VM network test using this evaluation of Nixpkgs.