1: From: Chris Warburton
2: Date: Wed, 07 Feb 2018 19:06:56 +0000
3: State: resolved
4: Subject: Try to avoid loading whole other nixpkgs versions
5: Message-Id: <b1975ee3f75bcd50-0-artemis@nixos>
6: resolution: fixed
7:
8: Rather than doing something like 'nixpkgs1609.foo', try doing
9: 'self.callPackage "${repo1609}/pkgs/foo.nix" {}'.
10:
11: That way, we're not loading the whole of nixpkgs over and over.