anchor.diff:    };
   })
   # TODO LIST:
  -# 1. setup hook
  -# 2. multiple outputs
  -# 3. automate sources acquisition (especially wraps)
  -# 4. tests
  +# 1. automate sources acquisition (especially wraps)
  +# 2. setup hook
  +# 3. tests
  
positive.code: stdenv.mkDerivation (finalAttrs: {
    pname = "muon"
            + lib.optionalString embedSamurai "-embedded-samurai";
    version = "unstable-2022-09-24";
  
    src = fetchFromSourcehut {
      name = "muon-src";
      owner = "~lattis";
      repo = "muon";
      rev = "f385c82a6104ea3341ca34756e2812d700bc43d8";
      hash = "sha256-Cr1r/sp6iVotU+n4bTzQiQl8Y+ShaqnnaWjL6gRW8p0=";
    };
  
    nativeBuildInputs = [
      pkgconf
  
negative.code:     # URLs manually extracted from subprojects directory
      meson-docs-wrap = fetchurl {
        name = "meson-docs-wrap";
        url = "https://mochiro.moe/wrap/meson-docs-0.63.0-239-g41a05ff93.tar.gz";
        hash = "sha256-wg2mDkrkE1xVNXJf4sVm6cN1ozVeDbbw0CBYtixg5/Q=";
      };
  
      samurai-wrap = fetchurl {
  