check_updates.completion

#!/usr/bin/env bash

_check_updates() {

    local cur prev pprev opts

    COMPREPLY=()

    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD - 1]}"
    pprev="${COMP_WORDS[COMP_CWORD - 2]}"

    # options without arguments
    opts="--usage --help --version --assumeyes --boot-check --boot-check-warning --debug --no-boot-check --clean --security-only
 --number-only --verbose --extra-opts= --debug-file= --warning= --critical= --yum-arguments= --timeout="

    # list of command line options
    if [[ "${cur}" == -* || ${COMP_CWORD} -eq 1 ]]; then
        COMPREPLY=($(compgen -W "${opts}" -- "${cur}"))
        return 0
    fi

    # options with arguments
    case "${prev}" in
        # options with files as argument
        --extra-opts|--debug-file|=)
        if [[ "${pprev}" == "--extra-opts" || "${pprev}" == "--debug-file" ]]; then
            _filedir
        fi
            ;;
        *)
            ;;
    esac

}

complete -o nospace -F _check_updates check_updates