nixos-config/components/nixos/upgrade-diff.nix
2024-06-07 22:56:52 +02:00

22 lines
721 B
Nix

# MIT Jörg Thalheim - https://github.com/Mic92/dotfiles/blob/c6cad4e57016945c4816c8ec6f0a94daaa0c3203/nixos/modules/upgrade-diff.nix
{ config, lib, pkgs, ... }:
{
options.components.nixos.update-diff.enable = lib.mkOption {
type = lib.types.bool;
default = config.components.nixos.enable;
};
config = lib.mkIf (config.components.nixos.update-diff.enable) {
system.activationScripts.diff = {
supportsDryActivation = true;
text = ''
if [[ -e /run/current-system ]]; then
echo "--- diff to current-system"
${pkgs.nvd}/bin/nvd --nix-bin-dir=${config.nix.package}/bin diff /run/current-system "$systemConfig"
echo "---"
fi
'';
};
};
}