#! /bin/bash
is_string_empty(){
    if [ "${*:-}" != "" ]; then
     return 0
   else
     return 1
   fi
}

is_debian_family()(
   is_string_empty "$(apt --version 2> /dev/null )"
)

has_ip(){
  is_string_empty "$(ip -V 2> /dev/null)"
}

has_virsh(){
  is_string_empty "$(virsh --version 2> /dev/null)"
}

has_virt_customize(){
  is_string_empty "$(virt-customize --version 2> /dev/null)"
}

has_curl(){
  is_string_empty "$(curl --version 2> /dev/null)"
}
has_wget(){
  is_string_empty "$(wget --version 2> /dev/null)"
}

install_kvm(){
  sudo apt install -y --no-install-recommends qemu-system libvirt-clients libvirt-daemon-system
  sudo usermod -aG libvirt "$USER"
  # todo: finf how to fix image access out of /var/lib/libvirt/images
  sudo setfacl -Rm u:libvirt-qemu:rx $_HVE_IMG
  sudo systemctl restart libvirtd
}

install_virt_customize(){
   sudo apt install -y libguestfs-tools
}

install_wget(){
  sudo apt install -y wget
}