anchor.diff:      ++ lib.optional withSQLite "--with-sqlite";
   
     meta = {
  -    homepage = http://dovecot.org/;
  +    homepage = https://dovecot.org/;
       description = "Open source IMAP and POP3 email server written with security primarily in mind";
  -    maintainers = with stdenv.lib.maintainers; [viric peti rickynils];
  +    maintainers = with stdenv.lib.maintainers; [ viric peti rickynils fpletz ];
       platforms = stdenv.lib.platforms.unix;
     };
   }
  
positive.code: }:
  
  stdenv.mkDerivation rec {
    name = "dovecot-2.2.33.2";
  
    nativeBuildInputs = [ perl pkgconfig ];
    buildInputs = [ openssl bzip2 zlib clucene_core_2 icu openldap ]
      ++ lib.optionals (stdenv.isLinux) [ systemd pam libcap inotify-tools ]
      ++ lib.optional withMySQL mysql.connector-c
      ++ lib.optional withPgSQL postgresql
      ++ lib.optional withSQLite sqlite;
  
    src = fetchurl {
      url = "http://dovecot.org/releases/2.2/${name}.tar.gz";
      sha256 = "117f9i62liz2pm96zi2lpldzlj2knzj7g410zhifwmlsc1w3n7py";
    };
  
    preConfigure = ''
  
negative.code: { stdenv, lib, fetchurl, perl, pkgconfig, systemd, openssl
  , bzip2, zlib, lz4, inotify-tools, pam, libcap
  , clucene_core_2, icu, openldap, libsodium, libstemmer
  # Auth modules
  , withMySQL ? false, mysql
  , withPgSQL ? false, postgresql
  