From fd5615a298ff4b7cfa7e8cccbcac0afb680cc9a9 Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Mon, 28 Jan 2019 23:05:38 +0100
Subject: krops: bootstrap nixpkgs

---
 krebs/krops.nix | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/krebs/krops.nix b/krebs/krops.nix
index 76bca026..94418fdc 100644
--- a/krebs/krops.nix
+++ b/krebs/krops.nix
@@ -9,13 +9,19 @@
 
   krebs-source = { test ? false }: rec {
     nixpkgs = if test then {
-      derivation = ''
-        with import <nixpkgs> {};
+      derivation = let
+        rev = (lib.importJSON ./nixpkgs.json).rev;
+        sha256 = (lib.importJSON ./nixpkgs.json).sha256;
+      in ''
+        with import (builtins.fetchTarball {
+          url = "https://github.com/nixos/nixpkgs/archive/${rev}.tar.gz";
+          sha256 = "${sha256}";
+        }) {};
         pkgs.fetchFromGitHub {
           owner = "nixos";
           repo = "nixpkgs";
-          rev = "${(lib.importJSON ./nixpkgs.json).rev}";
-          sha256 = "${(lib.importJSON ./nixpkgs.json).sha256}";
+          rev = "${rev}";
+          sha256 = "${sha256}";
         }
       '';
     } else {
-- 
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