{
  lib,
  mkCoqDerivation,
  coq,
  version ? null,
}:

mkCoqDerivation {
  pname = "pocklington";
  owner = "coq-community";

  release."8.12.0".rev = "v8.12.0";
  release."8.12.0".sha256 = "sha256-0xBrw9+4g14niYdNqp0nx00fPJoSSnaDSDEaIVpPfjs=";

  inherit version;
  defaultVersion =
    with lib.versions;
    lib.switch coq.coq-version [
      {
        case = range "8.7" "8.18";
        out = "8.12.0";
      }
    ] null;

  meta = {
    description = "Pocklington's criterion for primality in Coq";
    maintainers = with lib.maintainers; [ siraben ];
    license = lib.licenses.mit;
    platforms = lib.platforms.unix;
  };
}