From 21d520fbf202e84c80e32afc6b1377974335e4e4 Mon Sep 17 00:00:00 2001
From: Silvan Mosberger <silvan.mosberger@tweag.io>
Date: Thu, 12 Oct 2023 00:32:31 +0200
Subject: [PATCH] tests.nixpkgs-check-by-name: Minor Nix refactor

---
 pkgs/test/nixpkgs-check-by-name/src/eval.nix | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/pkgs/test/nixpkgs-check-by-name/src/eval.nix b/pkgs/test/nixpkgs-check-by-name/src/eval.nix
index 7c0ae755215a..378ecef46b57 100644
--- a/pkgs/test/nixpkgs-check-by-name/src/eval.nix
+++ b/pkgs/test/nixpkgs-check-by-name/src/eval.nix
@@ -39,14 +39,18 @@ let
     overlays = [ callPackageOverlay ];
   };
 
-  attrInfo = attr: {
+  attrInfo = attr:
+    let
+      value = pkgs.${attr};
+    in
+    {
     # These names are used by the deserializer on the Rust side
     call_package_path =
-      if pkgs.${attr} ? _callPackagePath && builtins.isPath pkgs.${attr}._callPackagePath then
-        toString pkgs.${attr}._callPackagePath
+      if value ? _callPackagePath && builtins.isPath value._callPackagePath then
+        toString value._callPackagePath
       else
         null;
-    is_derivation = pkgs.lib.isDerivation pkgs.${attr};
+    is_derivation = pkgs.lib.isDerivation value;
   };
 
   attrInfos = builtins.listToAttrs (map (name: {