anchor.diff:        elpaBuild {
           pname = "cider";
           ename = "cider";
  -        version = "1.2.0";
  -        src = fetchurl {
  -          url = "https://elpa.nongnu.org/nongnu/cider-1.2.0.tar";
  -          sha256 = "1dkn5mcp4vyk6h4mqrn7fcqjs4h0dx1y1b1pcg2jpyx11mhdpjxf";
  +        version = "1.3.0";
  +        src = fetchurl {
  +          url = "https://elpa.nongnu.org/nongnu/cider-1.3.0.tar";
  +          sha256 = "10kg30s0gb09l0z17v2hqxy9v5pscnpqp5dng62cjh0x3hdi4i7x";
           };
           packageRequires = [
             clojure-mode
  
positive.code:       elpaBuild {
          pname = "geiser-guile";
          ename = "geiser-guile";
          version = "0.21.2";
          src = fetchurl {
            url = "https://elpa.nongnu.org/nongnu/geiser-guile-0.21.2.tar";
            sha256 = "06mr8clsk8fj73q4ln90i28xs8axl4sd68wiyl41kgg9w5y78cb7";
          };
          packageRequires = [ emacs geiser ];
          meta = {
  
negative.code:       elpaBuild {
          pname = "clojure-mode";
          ename = "clojure-mode";
          version = "5.14.0";
          src = fetchurl {
            url = "https://elpa.nongnu.org/nongnu/clojure-mode-5.14.0.tar";
            sha256 = "1lirhp6m5r050dm73nrslgzdgy6rdbxn02wal8n52q37m2armra2";
          };
          packageRequires = [ emacs ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/clojure-mode.html";
            license = lib.licenses.free;
          };
        }) {};
      coffee-mode = callPackage ({ elpaBuild, emacs, fetchurl, lib }:
        elpaBuild {
          pname = "coffee-mode";
          ename = "coffee-mode";
          version = "0.6.3";
          src = fetchurl {
            url = "https://elpa.nongnu.org/nongnu/coffee-mode-0.6.3.tar";
            sha256 = "1yv1b5rzlj7cpz7gsv2j07mr8z6lkwxp1cldkrc6xlhcbqh8795a";
          };
          packageRequires = [ emacs ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/coffee-mode.html";
            license = lib.licenses.free;
          };
        }) {};
  