15 lines
544 B
Nix
15 lines
544 B
Nix
{ config, lib, pkgs, ... }:
|
|
{
|
|
|
|
# nvd: https://discourse.nixos.org/t/nvd-simple-nix-nixos-version-diff-tool/12397
|
|
# module from https://github.com/luishfonseca/dotfiles/blob/ab7625ec406b48493eda701911ad1cd017ce5bc1/modules/upgrade-diff.nix
|
|
# gated on formatAttr which is set by nixos-generators
|
|
system.activationScripts.diff = lib.mkIf ((config.formatAttr or null) == null) {
|
|
supportsDryActivation = true;
|
|
text = ''
|
|
${pkgs.nvd}/bin/nvd --nix-bin-dir=${pkgs.nix}/bin diff /run/current-system "$systemConfig"
|
|
'';
|
|
};
|
|
|
|
}
|