anchor.diff:      ++ optional (lib.versionAtLeast version "5.13") zstd;
   
   
  -  installkernel = buildPackages.writeShellScript "installkernel" ''
  +  installkernel = buildPackages.writeShellScriptBin "installkernel" ''
       set -e
       mkdir -p $4
       cp -av $2 $4
  
positive.code: 
        preInstall = ''
          installFlagsArray+=("-j$NIX_BUILD_CORES")
        '';
  
        # Some image types need special install targets (e.g. uImage is installed with make uinstall)
  
negative.code:         fi
  
          patchShebangs scripts
  
          # also patch arch-specific install scripts
          for i in $(find arch -name install.sh); do
              patchShebangs "$i"
          done
        '';
  
        configurePhase = ''
  