_vmware_module_list="vmblock vmci vmmon vmnet vsock"

_dkms="/usr/bin/dkms"

post_install()
{
    getent group vmware > /dev/null 2>&1 || groupadd vmware
    getent passwd vmware > /dev/null 2>&1 || useradd -c 'VMWare' -g vmware -s /sbin/nologin vmware
    passwd -l vmware > /dev/null
    ${_dkms} install -m vmware-modules/${1%-*}
}

pre_upgrade()
{
    pre_remove ${2}
}

post_upgrade()
{
    post_install ${1}
}

pre_remove()
{
    ${_dkms} remove -m vmware-modules/${1%-*} --all
}