Zoom local APT repo

zoom_local_repo.sh

#!/bin/bash
export DEBIAN_FRONTEND=noninteractive

zoom_deburl=https://zoom.us/client/latest/zoom_amd64.deb
debdir=/var/local/cache/apt/zoom
aptconf=/etc/apt/apt.conf.d/100update_zoom_localrepo
sourceslist=/etc/apt/sources.list.d/zoom_localrepo.list

sudo mkdir -p "${debdir}"
sudo apt install -y wget

# set up apt update hook
sudo tee "${aptconf}" << EOF
APT {
  Update {
    Pre-Invoke {
      "wget -qNP '${debdir}' '${zoom_deburl}'";
      "wget -qcP '${debdir}' '${zoom_deburl}'";
      "cd '${debdir}'; apt-ftparchive packages . > '${debdir}/Packages'; apt-ftparchive release . > '${debdir}/Release'; cd - 1> /dev/null";
    }
  };
};
EOF

sudo tee "${sourceslist}" << EOF
deb [trusted=yes lang=none] "file:${debdir}" ./
EOF