From ecbfc932794aa5f1301e121876f244be7edcd133 Mon Sep 17 00:00:00 2001
From: makefu <github@syntax-fehler.de>
Date: Wed, 18 Jul 2018 00:29:07 +0200
Subject: onebutton.r: use the latest unstable tarball as source

this avoids cache misses and super expensive rebuilds on the raspi2 itself
---
 krebs/1systems/onebutton/source.nix | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/krebs/1systems/onebutton/source.nix b/krebs/1systems/onebutton/source.nix
index 6842bfaab..91a998de7 100644
--- a/krebs/1systems/onebutton/source.nix
+++ b/krebs/1systems/onebutton/source.nix
@@ -1,11 +1,8 @@
 with import <stockholm/lib>;
 let
   pkgs = import <nixpkgs> {};
-  nixpkgs = pkgs.fetchFromGitHub {
-    owner = "nixos";
-    repo = "nixpkgs-channels";
-    rev = "nixos-unstable"; # only binary cache for unstable arm6
-    sha256 = "1rqzh475xn43phagrr30lb0fd292c1s8as53irihsnd5wcksnbyd";
+  nixpkgs = builtins.fetchTarball {
+    url = https://github.com/NixOS/nixpkgs-channels/archive/nixos-unstable.tar.gz;
   };
 in import <stockholm/krebs/source.nix> {
   name = "onebutton";
-- 
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