anchor.diff:      ];
   
       patches = [
  -      # Patch added by the mamba team
  +      # Apply the same patch as in the "official" boa-forge build:
  +      # https://github.com/mamba-org/boa-forge/tree/master/libsolv
         (fetchpatch {
           url = "https://raw.githubusercontent.com/mamba-org/boa-forge/20530f80e2e15012078d058803b6e2c75ed54224/libsolv/conda_variant_priorization.patch";
           sha256 = "1iic0yx7h8s662hi2jqx68w5kpyrab4fr017vxd4wyxb6wyk35dd";
  
positive.code: in
  stdenv.mkDerivation rec {
    pname = "micromamba";
    version = "0.22.0";
  
    src = fetchFromGitHub {
      owner = "mamba-org";
      repo = "mamba";
      rev = "micromamba-" + version;
      sha256 = "sha256-9/vkn8wks2nyzIn5hnK+zvX18Du2B8YZ3/ugrmEGVH8=";
    };
  
    nativeBuildInputs = [ cmake ];
  
negative.code: { lib
  , stdenv
  , fetchFromGitHub
  , fetchpatch
  , cli11
  , cmake
  , curl
  , ghc_filesystem
  , libarchive
  , libsolv
  , libyamlcpp
  , nlohmann_json
  , python3
  , reproc
  , spdlog
  , termcolor
  , tl-expected
  }:
  
  let
  