From a8584b2f23342bf24f73005ac7dade8298e00246 Mon Sep 17 00:00:00 2001
From: cswimr <seaswimmerthefsh@gmail.com>
Date: Tue, 28 Jan 2025 07:18:34 -0600
Subject: [PATCH] add `/etc/current-system-packages` to vms

---
 hosts/virtual-machines/template.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/hosts/virtual-machines/template.nix b/hosts/virtual-machines/template.nix
index 5fb2332..deeca02 100644
--- a/hosts/virtual-machines/template.nix
+++ b/hosts/virtual-machines/template.nix
@@ -1,7 +1,7 @@
 # Edit this configuration file to define what should be installed on
 # your system. Help is available in the configuration.nix(5) man page, on
 # https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
-
+{ pkgs, config, ... }:
 {
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
@@ -21,5 +21,14 @@
 
   services.qemuGuest.enable = true;
 
+  # 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;
+
   system.stateVersion = "24.11";
 }