From a31e29ac73e7fe765f970b1f42dbb5cb1a46c58f Mon Sep 17 00:00:00 2001
From: Michal Sojka <michal.sojka@cvut.cz>
Date: Wed, 23 Oct 2024 10:08:06 +0200
Subject: [PATCH] release.nix: Use lockedNixpkgs as in default.nix

This ensures that CI using release.nix builds the same code as will be
used by users.

This simply copies the code from default.nix.
---
 release.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/release.nix b/release.nix
index b3ba8613fb..1c852a2007 100644
--- a/release.nix
+++ b/release.nix
@@ -1,4 +1,11 @@
-{ nixpkgs ? <nixpkgs>, nix-ros-overlay ? ./., distro ? null }:
+let
+  lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+  lockedNixpkgs = builtins.fetchTarball {
+    url = "https://github.com/lopsided98/nixpkgs/archive/${lock.nodes.nixpkgs.locked.rev}.tar.gz";
+    sha256 = lock.nodes.nixpkgs.locked.narHash;
+  };
+in
+{ nixpkgs ? lockedNixpkgs, nix-ros-overlay ? ./., distro ? null }:
 with import (nixpkgs + /lib);
 let
   releasePackages = mapAttrs (_: a: removeAttrs a [