nixos-config/lib/env-specific/nixos.nix

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Nix

# All of the functions suitable only for NixOS.
{ pkgs, lib, self }:
{
# Checks if the NixOS configuration is part of the nixos-generator build.
# Typically, we just check if there's a certain attribute that is imported
# from it.
hasNixosFormat = config:
lib.hasAttrByPath [ "formatAttr" ] config;
# Checks if the NixOS config is being built for a particular format.
isFormat = config: format:
(config.formatAttr or "") == format;
}