anchor.diff:    makeRPM =
       system: diskImageFun: prio:
   
  -    with import nixpkgs { inherit system; };
  +    with import <nixpkgs> { inherit system; };
   
       releaseTools.rpmBuild rec {
         name = "nix-rpm";
  
positive.code: { nixpkgs ? <nixpkgs>
  , nix ? { outPath = ./.; revCount = 1234; shortRev = "abcdef"; }
  , officialRelease ? false
  }:
  
  let
  
    jobs = rec {
  
  
      tarball =
        with import nixpkgs {};
  
        releaseTools.sourceTarball {
          name = "nix-tarball";
  
negative.code:         installFlags = "sysconfdir=$(out)/etc";
  
          doInstallCheck = true;
        });
  
  
      binaryTarball = pkgs.lib.genAttrs systems (system:
        { system ? "x86_64-linux" }:
  
        with import <nixpkgs> { inherit system; };
  
        let
          toplevel = builtins.getAttr system jobs.build;
          version = toplevel.src.version;
        in
  
  