gein/usr/local/sbin/gpkg

#!/usr/bin/env sh

if [ $EUID -ne 0 ]; then
    if [ -e $(command -v sudo) ]; then
        SU="sudo"
    else
        SU="su -c"
    fi
fi

case $1 in
    -s|sync)
        echo "gpkg: syncing Portage..."
        $SU emerge -q --sync &&
            echo "gpkg: Portage sync completed"
        ;;

    -i|install)
        $SU emerge -av --quiet-build ${@:2}
        ;;

    -r|remove)
        $SU emerge -avc --quiet-build ${@:2} &&
            $SU emerge -av --depclean --quiet-build
        ;;

    -p|purge)
        $SU gpkg -r $(qlist -CI ${@:2}) &&
            $SU emerge -av --depclean --quiet-build
        ;;

    -u|update)
        $SU emerge -avuDU --keep-going --quiet-build @world &&
            $SU emerge -av --depclean --quiet-build
        ;;

    -U|upgrade)
        $SU emerge -avuDN --quiet-build @system &&
            $SU emerge -av --depclean --quiet-build
        ;;

    *)
        echo "gpkg: Available options:"
        echo "  -s, sync       Sync Portage"
        echo "  -i, install    Install a package"
        echo "  -r, remove     Safely remove a package"
        echo "  -p, purge      Purge package and dependencies"
        echo "  -u, update     Update @world packages"
        echo "  -U, upgrade    Update @system packages"
esac