anchor.diff:  
   buildGoModule rec {
     pname = "buildah";
  -  version = "1.19.0";
  +  version = "1.19.1";
   
     src = fetchFromGitHub {
       owner = "containers";
       repo = "buildah";
       rev = "v${version}";
  -    sha256 = "15ps4z41r8inyg0g1k8s9s3hkbnrl942w0n3957bv8g8gjihww0f";
  +    sha256 = "1wzj8ll9z4pnzr5bz1rjq7fc98kw596zcwaamv8lh2pzwcfgi9ki";
     };
   
     outputs = [ "out" "man" ];
  
positive.code: { stdenv
  , buildGoModule
  , fetchFromGitHub
  , go-md2man
  
negative.code:     make -C docs install PREFIX="$man"
    '';
  
    meta = with lib; {
      description = "A tool which facilitates building OCI images";
      homepage = "https://buildah.io/";
      changelog = "https://github.com/containers/buildah/releases/tag/v${version}";
  