Fetch pinned nixpkgs as tarball

This should speed up initial building (e.g. on a builds.sr.ht).

1 files changed, 3 insertions, 3 deletions

diff --git a/pkgs.nix b/pkgs.nix
index b87407a..154daca 100644
--- a/pkgs.nix
+++ b/pkgs.nix
@@ -1,5 +1,5 @@
+# Get the sha256 with: nix-prefetch-url --unpack ${url}
 {
-  url = "https://github.com/nixos/nixpkgs.git";
-  ref = "release-18.09";
-  rev = "da81531c1d76b4c24b944f6cf69b7025770662c1";
+  url = "https://github.com/NixOS/nixpkgs/archive/da81531c1d76b4c24b944f6cf69b7025770662c1.tar.gz";
+  sha256 = "00qqchbvvbcmmkfpjkp1ki4kwcm33ch1ljbi2n3zxy36r430way1";
 }