pre_install {
    # pre_install

    cd "${srcdir}/${pkgname}-${pkgver}"
    sh install/pre_install.sh

}

post_install {
    # post_install

    cd "${srcdir}/${pkgname}-${pkgver}"
    sh install/post_install.sh

}

pre_upgrade {
    # pre_upgrade

    cd "${srcdir}/${pkgname}-${pkgver}"
    

}

post_upgrade {
    # post_upgrade

    cd "${srcdir}/${pkgname}-${pkgver}"
    

}

pre_remove {
    # pre_remove

    cd "${srcdir}/${pkgname}-${pkgver}"
    

}

post_remove {
    # post_remove

    cd "${srcdir}/${pkgname}-${pkgver}"
    

}