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-rw-r--r--nixos/modules/misc/passthru.nix15
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diff --git a/nixos/modules/misc/passthru.nix b/nixos/modules/misc/passthru.nix
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+++ b/nixos/modules/misc/passthru.nix
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+# This module allows you to export something from configuration
+# Use case: export kernel source expression for ease of configuring
+
+{ config, pkgs, ... }:
+
+{
+  options = {
+    passthru = pkgs.lib.mkOption {
+      description = ''
+        This attribute set will be exported as a system attribute.
+        You can put whatever you want here.
+      '';
+    };
+  };
+}