From 9ab8fa73753fa9b1f20eb27eaf526556bcd72429 Mon Sep 17 00:00:00 2001
From: Eman Resu <78693624+quatquatt@users.noreply.github.com>
Date: Fri, 3 Jul 2026 19:00:46 -0400
Subject: [PATCH] check-meta: compare with null instead of using isNull

---
 pkgs/stdenv/generic/check-meta.nix | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/pkgs/stdenv/generic/check-meta.nix b/pkgs/stdenv/generic/check-meta.nix
index 049be19b4e6a..cc51c3e3528e 100644
--- a/pkgs/stdenv/generic/check-meta.nix
+++ b/pkgs/stdenv/generic/check-meta.nix
@@ -495,7 +495,7 @@ let
     let
       values = attrValues cpeParts;
     in
-    (length values == 11) && !any isNull values;
+    (length values == 11) && !any (v: v == null) values;
   makeCPE =
     {
       part,
@@ -687,7 +687,7 @@ let
     }:
     let
       withError =
-        if isNull error then
+        if error == null then
           true
         else
           let
@@ -725,15 +725,15 @@ let
       invalid = checkValidity' attrs;
       problems = checkProblems attrs;
     in
-    if isNull invalid then
-      if isNull problems then
+    if invalid == null then
+      if problems == null then
         {
           valid = "yes";
           handled = true;
         }
       else
         {
-          valid = if isNull problems.error then "warn" else "no";
+          valid = if problems.error == null then "warn" else "no";
           handled = handle {
             inherit attrs meta;
             inherit (problems) error warnings;