anchor.diff:      #!${stdenv.shell}
       set -o errexit
       PATH=${
  -      lib.makeBinPath [
  -        common-updater-scripts
  -        coreutils
  -        git
  -        gnused
  -        nix
  -        nixfmt
  -      ]
  +      lib.makeBinPath [ common-updater-scripts coreutils git gnused nix nixfmt ]
       }
       oldVersion="$(nix-instantiate --eval -E "with import ./. {}; lib.getVersion ${pname}" | tr -d '"')"
       latestTag="$(git -c 'versionsort.suffix=-' ls-remote --exit-code --refs --sort='version:refname' --tags ${repo} 'v*.*.*' | tail --lines=1 | cut --delimiter='/' --fields=3 | sed 's|^v||g')"
  
positive.code: , coreutils, git, gnused, nix, nixfmt }:
  
  let
    version = "2.0.9";
  
    zshCompletion = fetchurl {
      url =
  
negative.code:   src = fetchurl {
      url =
        "https://github.com/coursier/coursier/releases/download/v${version}/coursier";
      sha256 = "sha256-jmKJPBPzO8DiXuJoHWibinkaAzneXdSK85SQfJ2nWhg=";
    };
  
    nativeBuildInputs = [ makeWrapper ];
  