From 7402e825371fb1100fc6d18e2d1b6247bcb1fcfd Mon Sep 17 00:00:00 2001
From: Robert Hensing <robert@roberthensing.nl>
Date: Thu, 20 Feb 2025 01:12:30 +0100
Subject: [PATCH] nixVersions.nix_2_26: Expose derivation system

---
 .../package-management/nix/2_26/packaging/everything.nix    | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/tools/package-management/nix/2_26/packaging/everything.nix b/pkgs/tools/package-management/nix/2_26/packaging/everything.nix
index d8fc835f235d..8eb5e71f59e7 100644
--- a/pkgs/tools/package-management/nix/2_26/packaging/everything.nix
+++ b/pkgs/tools/package-management/nix/2_26/packaging/everything.nix
@@ -184,6 +184,12 @@ makeOutputs {
     inherit (nix-cli) version;
     # Should not be required
     inherit (drv) drvPath;
+    /**
+      The build platform's system string, used by Nix to dispatch derivations to the correct kinds of hosts.
+
+      This particular attribute is _not_ used for that purpose, but it has the same value, and some other expressions expect it to be present.
+    */
+    inherit (drv) system;
     tests = drv.tests or {};
     src = patchedSrc;
   };