command_not_found handler

# (c) Zygmunt Krynicki 2007,
# Licensed under GPL, see COPYING for the whole text
#
# This script will look-up command in the database and suggest
# installation of packages available from the repository

if [[ -x /usr/lib/command-not-found ]] ; then
    if (( ! ${+functions[command_not_found_handler]} )) ; then
        function command_not_found_handler {
            [[ -x /usr/lib/command-not-found ]] || return 1
            /usr/lib/command-not-found --no-failure-msg -- ${1+"$1"} && :
        }
    fi
fi