# pre_install 钩子在安装文件复制到系统之前运行
pre_install() {
    echo "Checking pure-ftpd config and remove"
    mv /etc/pure-ftpd/pure-ftpd.conf /etc/pure-ftpd/pure-ftpd.conf.bakup
    mv /etc/pure-ftpd/welcome.msg /etc/pure-ftpd/welcome.msg.bakup
    rm -f /etc/pureftpd.pdb
    rm -f /etc/pureftpd.passwd
    rm -f /etc/pure-ftpd.conf
}

# post_install: 在软件包安装后执行
post_install() {
    echo "start pure-ftpd.service"
    systemctl start pure-ftpd.service
    systemctl enable pure-ftpd.service
}

# pre_remove: 在软件包卸载前执行
pre_remove() {
    echo "Stopping and disabling pure-ftpd.service..."
    systemctl stop pure-ftpd.service
    systemctl disable pure-ftpd.service    
}

# post_remove: 在软件包卸载后执行
post_remove() {
    echo "Reloading systemd configuration after removal..."
    [ -f /etc/pure-ftpd/pure-ftpd.conf.bakup ] && mv /etc/pure-ftpd/pure-ftpd.conf.bakup /etc/pure-ftpd/pure-ftpd.conf
    [ -f /etc/pure-ftpd/welcome.msg.bakup ] && mv /etc/pure-ftpd/welcome.msg.bakup /etc/pure-ftpd/welcome.msg

}