install-deb

#!/usr/bin/env bash

if (( UID != 0 )); then
    echo >&2 "E: you must be root in order to run this script."
    exit 1
fi

if (( $# == 0 )); then
    echo >&2 "USAGE: ${0##*/} <.deb file> [<.deb file> ...]"
    exit 1
fi
debfiles=("$@")
pkgnames=()
to_purge=()
for debfile in "${debfiles[@]}"; do
    basename=$(basename -- "$debfile") || exit "$?"
    pkgname=${basename%%_*}
    if dpkg -s "$pkgname" >/dev/null 2>/dev/null; then
        to_purge+=("$pkgname")
    fi
    pkgnames+=("$pkgname")
done
if (( ${#to_purge[@]} )); then
    dpkg --purge "${to_purge[@]}" || exit "$?"
fi
dpkg --unpack "${debfiles[@]}" || exit "$?"
apt-get -o Debug::pkgProblemResolver=yes --no-install-recommends -f install || exit "$?"
dpkg --configure -a || exit "$?"
dpkg --set-selections < <(printf '%s hold\n' "${pkgnames[@]}") || exit "$?"