anchor.diff: -{ lib, stdenv, buildPackages, fetchFromGitHub, fetchurl, pkg-config, popt }:
  +{ lib, stdenv, buildPackages, fetchFromGitHub, pkg-config, popt, mandoc }:
   
   stdenv.mkDerivation rec {
     pname = "efivar";
  -  version = "37";
  +  version = "38";
   
     outputs = [ "bin" "out" "dev" "man" ];
   
  
positive.code:     owner = "rhinstaller";
      repo = "efivar";
      rev = version;
      sha256 = "1z2dw5x74wgvqgd8jvibfff0qhwkc53kxg54v12pzymyibagwf09";
    };
    patches = [
      (fetchurl {
        name = "r13y.patch";
        url = "https://patch-diff.githubusercontent.com/raw/rhboot/efivar/pull/133.patch";
        sha256 = "038cwldb8sqnal5l6mhys92cqv8x7j8rgsl8i4fiv9ih9znw26i6";
      })
      (fetchurl {
        name = "fix-misaligned-pointer.patch";
        url = "https://github.com/rhboot/efivar/commit/b98ba8921010d03f46704a476c69861515deb1ca.patch";
        sha256 = "0ni9mz7y40a2wf1d1q5n9y5dhcbydxvfdhqic7zsmgnaxs3a0p27";
      })
      (fetchurl {
        name = "fix-gcc9-error.patch";
        url = "https://github.com/rhboot/efivar/commit/c3c553db85ff10890209d0fe48fb4856ad68e4e0.patch";
        sha256 = "0lc38npydp069nlcga25wzzm204ww9l6mpjfn6wmhdfhn0pgjwky";
      })
      (fetchurl {
        name = "remove_unused_variable.patch";
        url = "https://github.com/rhboot/efivar/commit/fdb803402fb32fa6d020bac57a40c7efe4aabb7d.patch";
        sha256 = "1xhy8v8ff9lyxb830n9hci2fbh7rfps6rwsqrjh4lw7316gwllsd";
      })
      (fetchurl {
        name = "check_string_termination.patch";
        url = "https://github.com/rhboot/efivar/commit/4e04afc2df9bbc26e5ab524b53a6f4f1e61d7c9e.patch";
        sha256 = "1ajj11wwsvamfspq4naanvw08h63gr0g71q0dfbrrywrhc0jlmdw";
      })
    ];
  
    NIX_CFLAGS_COMPILE = [
      "-Wno-error=stringop-truncation"
      "-flto-partition=none"
    ];
  
    nativeBuildInputs = [ pkg-config ];
    buildInputs = [ popt ];
    depsBuildBuild = [ buildPackages.stdenv.cc ];
  
  
negative.code:     inherit (src.meta) homepage;
      description = "Tools and library to manipulate EFI variables";
      platforms = platforms.linux;
      license = licenses.lgpl21Only;
    };
  }
  