anchor.diff:          packageRequires = [ anzu evil ];
           meta = {
             homepage = "https://elpa.gnu.org/packages/evil-anzu.html";
  +          license = lib.licenses.free;
  +        };
  +      }) {};
  +    evil-args = callPackage ({ elpaBuild, evil, fetchurl, lib }:
  +      elpaBuild {
  +        pname = "evil-args";
  +        ename = "evil-args";
  +        version = "1.1";
  +        src = fetchurl {
  +          url = "https://elpa.nongnu.org/nongnu/evil-args-1.1.tar";
  +          sha256 = "0lgwrhjsy098h2lhsiasm39kzkdfqcjnapc2q6f2gyf7zll37761";
  +        };
  +        packageRequires = [ evil ];
  +        meta = {
  +          homepage = "https://elpa.gnu.org/packages/evil-args.html";
             license = lib.licenses.free;
           };
         }) {};
  
positive.code:         packageRequires = [];
          meta = {
            homepage = "https://elpa.gnu.org/packages/ample-theme.html";
            license = lib.licenses.free;
          };
        }) {};
  
negative.code:         packageRequires = [ emacs popup ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/haskell-tng-mode.html";
            license = lib.licenses.free;
          };
        }) {};
      helm = callPackage ({ elpaBuild, fetchurl, lib }:
        elpaBuild {
          pname = "helm";
          ename = "helm";
          version = "3.8.3";
          src = fetchurl {
            url = "https://elpa.nongnu.org/nongnu/helm-3.8.3.tar";
            sha256 = "00qjcv4qxjw50zp5dzvn79c0xpyla4h41fxkr2jjszq6qzgd92cv";
          };
          packageRequires = [];
          meta = {
            homepage = "https://elpa.gnu.org/packages/helm.html";
            license = lib.licenses.free;
          };
        }) {};
      helm-core = callPackage ({ elpaBuild, fetchurl, lib }:
        elpaBuild {
          pname = "helm-core";
          ename = "helm-core";
          version = "3.8.3";
          src = fetchurl {
            url = "https://elpa.nongnu.org/nongnu/helm-core-3.8.3.tar";
            sha256 = "11ggn1fmi8wbg2igs5lqppyccgpz8kyfzl17wqkr5xy69lr1jn5g";
          };
          packageRequires = [];
          meta = {
            homepage = "https://elpa.gnu.org/packages/helm-core.html";
            license = lib.licenses.free;
          };
        }) {};
  