Improvement for notifying from a Toolbox container.

    hostname="$(sysctl -a 2>/dev/null | awk -F '=' '/^kern[a-z]*\.hostname/ {print $2}')"

fi

# Get the host' hostname in case

if [ "$hostname" = 'toolbox' ]

# Get the host' hostname in case it's a toolbox container.

if [ "$hostname" = 'toolbox' ] && [ -x /usr/libexec/flatpak-xdg-utils/flatpak-spawn ]

then

    hostname="$(/usr/libexec/flatpak-xdg-utils/flatpak-spawn --host hostname)"

fi