[bug#42489] [PATCH] services: nix: Export nix-configuration.

[pengmeiyu]

From: Peng Mei Yu <i@pengmeiyu.com>

* gnu/services/nix.scm (nix-configuration): Export it.
---
 gnu/services/nix.scm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gnu/services/nix.scm b/gnu/services/nix.scm
index e73203c2c5..5a0a965a69 100644
--- a/gnu/services/nix.scm
+++ b/gnu/services/nix.scm
@@ -35,7 +35,8 @@
   #:use-module (ice-9 match)
   #:use-module (ice-9 format)
   #:use-module (guix modules)
-  #:export (nix-service-type))
+  #:export (nix-configuration
+            nix-service-type))
 
 ;;; Commentary:
 ;;;
-- 
2.27.0