From 63f18cd0c6fb2e41e29b6f10f3495192d40644ee Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 5 Jun 2025 13:09:57 +0200
Subject: [PATCH] Prevent double copy of nixpkgs source tree

(cherry picked from commit 0a87ba0e392ca890111d4ed7262e65c170751cb5)
---
 docker.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/docker.nix b/docker.nix
index d52c317d6..2670f8394 100644
--- a/docker.nix
+++ b/docker.nix
@@ -173,7 +173,12 @@ let
       channel = pkgs.runCommand "channel-nixos" { inherit bundleNixpkgs; } ''
         mkdir $out
         if [ "$bundleNixpkgs" ]; then
-          ln -s ${nixpkgs} $out/nixpkgs
+          ln -s ${
+            builtins.path {
+              path = nixpkgs;
+              name = "source";
+            }
+          } $out/nixpkgs
           echo "[]" > $out/manifest.nix
         fi
       '';