#!/bin/sh

# check if a command is available
has_command() { # $command
    command -v "${1}" 1>/dev/null 2>/dev/null
}

needs_commands() { # $status $cmd1 $cmd2 ...
    _nc_status="${1}"
    shift 1

    for _nc_cmd in "${@}"; do
        if ! has_command "${_nc_cmd}"; then
            echo "Command '${_nc_cmd}' not available!" >&2
            exit "${_nc_status}"
        fi
    done
}