bool CUser::Clone(const CUser& User, CString& sErrorRet, bool bCloneNetworks) {
    sErrorRet.clear();

    if (!User.IsValid(sErrorRet, true)) {
        return false;
    }

    // user names can only specified for the constructor, changing it later
    // on breaks too much stuff (e.g. lots of paths depend on the user name)
    if (GetUserName() != User.GetUserName()) {
        DEBUG("Ignoring username in CUser::Clone(), old username ["
              << GetUserName() << "]; New username [" << User.GetUserName()
              << "]");
    }

    if (!User.GetPass().empty()) {
        SetPass(User.GetPass(), User.GetPassHashType(), User.GetPassSalt());
    }

    SetNick(User.GetNick(false));
    SetAltNick(User.GetAltNick(false));
    SetIdent(User.GetIdent(false));
    SetRealName(User.GetRealName());
    SetStatusPrefix(User.GetStatusPrefix());
    SetBindHost(User.GetBindHost());
    SetDCCBindHost(User.GetDCCBindHost());
    SetQuitMsg(User.GetQuitMsg());
    SetSkinName(User.GetSkinName());
    SetDefaultChanModes(User.GetDefaultChanModes());
    SetChanBufferSize(User.GetChanBufferSize(), true);
    SetQueryBufferSize(User.GetQueryBufferSize(), true);
    SetJoinTries(User.JoinTries());
    SetMaxNetworks(User.MaxNetworks());
    SetMaxQueryBuffers(User.MaxQueryBuffers());
    SetMaxJoins(User.MaxJoins());
    SetNoTrafficTimeout(User.GetNoTrafficTimeout());
    SetClientEncoding(User.GetClientEncoding());
    SetLanguage(User.GetLanguage());

    // Allowed Hosts
    m_ssAllowedHosts.clear();
    const set<CString>& ssHosts = User.GetAllowedHosts();
    for (const CString& sHost : ssHosts) {
        AddAllowedHost(sHost);
    }

    for (CClient* pSock : m_vClients) {
        if (!IsHostAllowed(pSock->GetRemoteIP())) {
            pSock->PutStatusNotice(
                t_s("You are being disconnected because your IP is no longer "
                    "allowed to connect to this user"));
            pSock->Close();
        }
    }

    // !Allowed Hosts

    // Networks
    if (bCloneNetworks) {
        CloneNetworks(User);
    }
    // !Networks

    // CTCP Replies
    m_mssCTCPReplies.clear();
    const MCString& msReplies = User.GetCTCPReplies();
    for (const auto& it : msReplies) {
        AddCTCPReply(it.first, it.second);
    }
    // !CTCP Replies

    // Flags
    SetAutoClearChanBuffer(User.AutoClearChanBuffer());
    SetAutoClearQueryBuffer(User.AutoClearQueryBuffer());
    SetMultiClients(User.MultiClients());
    SetDenyLoadMod(User.DenyLoadMod());
    SetAdmin(User.IsAdmin());
    SetDenySetBindHost(User.DenySetBindHost());
    SetAuthOnlyViaModule(User.AuthOnlyViaModule());
    SetTimestampAppend(User.GetTimestampAppend());
    SetTimestampPrepend(User.GetTimestampPrepend());
    SetTimestampFormat(User.GetTimestampFormat());
    SetTimezone(User.GetTimezone());
    // !Flags

    // Modules
    set<CString> ssUnloadMods;
    CModules& vCurMods = GetModules();
    const CModules& vNewMods = User.GetModules();

    for (CModule* pNewMod : vNewMods) {
        CString sModRet;
        CModule* pCurMod = vCurMods.FindModule(pNewMod->GetModName());

        if (!pCurMod) {
            vCurMods.LoadModule(pNewMod->GetModName(), pNewMod->GetArgs(),
                                CModInfo::UserModule, this, nullptr, sModRet);
        } else if (pNewMod->GetArgs() != pCurMod->GetArgs()) {
            vCurMods.ReloadModule(pNewMod->GetModName(), pNewMod->GetArgs(),
                                  this, nullptr, sModRet);
        }
    }

    for (CModule* pCurMod : vCurMods) {
        CModule* pNewMod = vNewMods.FindModule(pCurMod->GetModName());

        if (!pNewMod) {
            ssUnloadMods.insert(pCurMod->GetModName());
        }
    }

    for (const CString& sMod : ssUnloadMods) {
        vCurMods.UnloadModule(sMod);
    }
    // !Modules

    return true;
}