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/ibb/default.nix b/ibb/default.nix
index 1d6a065..310e790 100644
--- a/ibb/default.nix
+++ b/ibb/default.nix
@@ -3,10 +3,10 @@
 , doBenchmark ? false
 , doCheck ? true
 , withHoogle ? false
-, pkgs ? import (fetchGit (import ../pkgs.nix)) {}
+, nixpkgs ? builtins.fetchTarball (import ../pkgs.nix)
 }:
 
-with pkgs;
+with import "${nixpkgs}" {};
 
 haskell.packages.${compiler}.developPackage {
   root = ./.;
@@ -20,4 +20,4 @@ haskell.packages.${compiler}.developPackage {
       then self.ghc.withPackages
       else super.ghcWithPackages;
   };
-}
\ No newline at end of file
+}