ft_util_pkg

#!/usr/bin/env bash

source "$(dirname "$0")/ft_util_inc_var"

while getopts "iu" o; do
    case "${o}" in
    i)
        install=true
        ;;
    u)
        update=true
        ;;
    esac
done

shift "$((OPTIND - 1))"

pkg_arr=("$@")

if [ "$update" = true ]; then
    apt-get update -qq
    $S_LOG -s $? -d $S_NAME "Package list update returned exit_code=$?"
fi

# This var will increment for each pkg not found BUT will decrement if the package is successfully installed
not_installed=0

for pkg in "${pkg_arr[@]}"; do
    pkg_ok=$(dpkg-query -W --showformat='${Status}\n' $pkg 2>/dev/null | grep " ok installed")
    if [ "" = "$pkg_ok" ]; then
        let not_installed++

        if [ "$install" = true ]; then
            $S_LOG -s warn -d $S_NAME -d "$pkg" "Missing needed package "$pkg". Setting up $pkg."

            # https://linuxhint.com/debian_frontend_noninteractive/
            # https://askubuntu.com/a/668859
            # DEBIAN_FRONTEND=noninteractive \
            #     apt-get -qq install \
            #     -o Dpkg::Options::="--force-confnew" \
            #     -o Dpkg::Use-Pty=0 \
            #     $pkg \
            #     2> >($S_LOG -s err -d $S_NAME -d "apt-get" -d "$pkg" -i) > >($S_LOG -d $S_NAME -d "apt-get" -d "$pkg" -i)

            # https://peteris.rocks/blog/quiet-and-unattended-installation-with-apt-get/
            DEBIAN_FRONTEND=noninteractive apt-get install -qq $pkg </dev/null >/dev/null

            if [ $? != "0" ]; then
                $S_LOG -s crit -d $S_NAME -d "$pkg" "Failed to install needed packages ("$pkg"). Please fix it and re-run the script."
            else
                let not_installed--
                $S_LOG -d $S_NAME -d "$pkg" "Successful install of needed packages ("$pkg")."
            fi
        fi
    fi
done

exit $not_installed