From 069fd9be579b5257520ed7ab3578f19cb28badcd Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Thu, 3 Jan 2019 21:37:14 +0100
Subject: makefu krops.nix: use nixpkgs derivation for ci

---
 makefu/krops.nix | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

(limited to 'makefu')

diff --git a/makefu/krops.nix b/makefu/krops.nix
index 2a2f70a0..30db0766 100644
--- a/makefu/krops.nix
+++ b/makefu/krops.nix
@@ -27,15 +27,15 @@
         # TODO: we want to track the unstable channel
         symlink = "/nix/var/nix/profiles/per-user/root/channels/nixos/";
       } else {
-        file = {
-          path = toString (pkgs.fetchFromGitHub {
+        derivation = ''
+          with import <nixpkgs> {};
+          pkgs.fetchFromGitHub {
             owner = "makefu";
             repo = "nixpkgs";
-            rev = nixpkgs-src.rev;
-            sha256 = nixpkgs-src.sha256;
-          });
-          useChecksum = true;
-        };
+            rev = "${nixpkgs-src.rev}";
+            sha256 = "${nixpkgs-src.sha256}";
+          }
+        '';
       };
       nixos-config.symlink = "stockholm/makefu/1systems/${name}/config.nix";
 
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