anchor.diff:      install -D -m444 gpgparticipants/gpgparticipants.1 $out/share/man/man1/gpgparticipants.1;
       install -D -m555 gpgparticipants/gpgparticipants-prefill $out/bin/gpgparticipants-prefill;
       install -D -m444 gpgparticipants/gpgparticipants-prefill.1 $out/share/man/man1/gpgparticipants-prefill.1;
  +    install -D -m555 gpgparticipants/gpgparticipants-filter $out/bin/gpgparticipants-filter;
  +    install -D -m444 gpgparticipants/gpgparticipants-filter.1 $out/share/man/man1/gpgparticipants-filter.1;
   
       # gpgwrap: a passphrase wrapper
       install -D -m555 gpgwrap/bin/gpgwrap $out/bin/gpgwrap;
  
positive.code:   ];
  in stdenv.mkDerivation rec {
    pname = "signing-party";
    version = "2.10";
  
    src = fetchFromGitLab {
      domain = "salsa.debian.org";
      owner = "signing-party-team";
      repo = "signing-party";
      rev = "v${version}";
      sha256 = "0lq8nmwjmysry0n4jg6vb7bh0lagbyb9pa11ii3s41p1mhzchf2r";
    };
  
    # TODO: Get this patch upstream...
  
negative.code:       "${stdenv.lib.makeBinPath [ getopt gnupg ]}"
  
  #    wrapProgram $out/bin/gpgparticipants-prefill
  
      wrapProgram $out/bin/gpgparticipants-filter --prefix PATH ":" \
        "${stdenv.lib.makeBinPath [ gnupg ]}"
  
      wrapProgram $out/bin/gpgsigs --set PERL5LIB \
        ${perlPackages.makePerlPath GnuPGInterfaceRuntimeDependencies} \
  