anchor.diff:  
           # Telega has a server portion for it's network protocol
           telega = super.telega.overrideAttrs(old: {
  -
             buildInputs = old.buildInputs ++ [ pkgs.tdlib ];
   
             postBuild = ''
  
positive.code:             mkdir -p $out/bin
              install -m755 -Dt $out/bin ./source/server/telega-server
            '';
  
          });
  
          vdiff-magit = super.vdiff-magit.overrideAttrs (attrs: {
  
negative.code:             (attrs.nativeBuildInputs or []) ++ [ external.git ];
          });
  
          kubernetes = super.kubernetes.overrideAttrs (attrs: {
            # searches for Git at build time
            nativeBuildInputs =
              (attrs.nativeBuildInputs or []) ++ [ external.git ];
          });
  
          # upstream issue: missing file header
          mhc = super.mhc.override {
            inherit (self.melpaPackages) calfw;
          };
  