From e0657d434696aaedc171d3be812c6f39cffcf606 Mon Sep 17 00:00:00 2001
From: cswimr <seaswimmerthefsh@gmail.com>
Date: Thu, 12 Dec 2024 11:51:46 -0500
Subject: [PATCH] add a list of all currently installed packages to
 `/etc/current-system-packages`

---
 nixos/configuration.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 1bafcc3..5f14e12 100755
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -71,6 +71,15 @@
     variant = "";
   };
 
+  # Add /etc/current-system-packages
+  environment.etc."current-system-packages".text =
+  let
+    packages = builtins.map (p: "${p.name}") config.environment.systemPackages;
+    sortedUnique = builtins.sort builtins.lessThan (pkgs.lib.lists.unique packages);
+    formatted = builtins.concatStringsSep "\n" sortedUnique;
+  in
+    formatted;
+
   # Enable CUPS to print documents.
   services.printing.enable = true;