anchor.diff:    curlftpfs = import ../tools/networking/curlftpfs {
       inherit fetchurl stdenv fuse curl pkgconfig zlib;
       inherit (gtkLibs) glib;
  +  };
  +
  +  dadadodo = builderDefsPackage (import ../tools/text/dadadodo) {
     };
   
     dar = import ../tools/archivers/dar {
  
positive.code:     else x);
  
    builderDefs = composedArgsAndFun (import ../build-support/builder-defs/builder-defs.nix) {
      inherit stringsWithDeps lib stdenv writeScript fetchurl;
    };
  
    composedArgsAndFun = lib.composedArgsAndFun;
  
negative.code: 
    fetchgit = import ../build-support/fetchgit {
      inherit stdenv git;
    };
  
    fetchmtn = import ../build-support/fetchmtn {
      inherit monotone stdenv;
      cacheDB = getConfig ["fetchmtn" "cacheDB"] "";
      defaultDBMirrors = getConfig ["fetchmtn" "defaultDBMirrors"] [];
    };
  
    fetchsvn = import ../build-support/fetchsvn {
  