# Linux modprobe(8) completion                             -*- shell-script -*-

_modprobe()
{
    local cur prev words cword split
    _init_completion -s || return

    case "$prev" in
        -h|--help|-V|--version)
            return
            ;;
        -C|--config)
            _filedir
            return
            ;;
        -d|--dirname|-t|--type)
            _filedir -d
            return
            ;;
        -S|--set-version)
            _kernel_versions
            return
            ;;
    esac

    $split && return

    if [[ "$cur" == -* ]]; then
        COMPREPLY=( $( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
        if [[ ! $COMPREPLY ]]; then
            COMPREPLY=( $( compgen -W '-a --all -b --use-blacklist -C --config
                -c --showconfig --dump-modversions -d --dirname --first-time
                --force-vermagic --force-modversion -f --force -i
                --ignore-install --ignore-remove -l --list -n --dry-run -q
                --quiet -R --resolve-alias -r --remove -S --set-version
                --show-depends -s --syslog -t --type -V --version -v
                --verbose' -- "$cur" ) )
        fi
        [[ $COMPREPLY == *= ]] && compopt -o nospace
        return
    fi

    local i mode=insert module= version=$(uname -r)
    for (( i=1; i < $cword; i++ )); do
        case "${words[i]}" in
            -r|--remove)
                mode=remove
                ;;
            -l|--list)
                mode=list
                ;;
            --dump-modversions)
                mode=file
                ;;
            -S|--set-version)
                version=${words[i+1]} # -S is not $prev and not $cur
                ;;
            -C|--config|-d|--dirname|-t|--type)
                ((i++)) # skip option and its argument
                ;;
            -*)
                # skip all other options
                ;;
            *)
                [ -z "$module" ] && module=${words[i]}
                ;;
        esac
    done

    case $mode in
        remove)
            _installed_modules "$cur"
            ;;
        list)
            # no completion available
            ;;
        file)
            _filedir
            ;;
        insert)
            # do filename completion if we're giving a path to a module
            if [[ "$cur" == @(*/|[.~])* ]]; then
                _filedir '@(?(k)o?(.gz))'
            elif [[ -n "$module" ]]; then
                # do module parameter completion
                COMPREPLY=( $( compgen -W "$( PATH="$PATH:/sbin" modinfo \
                    -p "$module" 2>/dev/null | \
                    awk -F: '!/^[ \t]/ { print $1 }' )" -- "$cur" ) )
            else
                _modules $version
                if [[ $COMPREPLY ]]; then
                    # filter out already installed modules
                    local -a mods=( "${COMPREPLY[@]}" )
                    _installed_modules "$cur"
                    for i in ${!mods[@]}; do
                        for module in ${COMPREPLY[@]}; do
                            if [[ ${mods[i]} == $module ]]; then
                                unset 'mods[i]'
                                break
                            fi
                        done
                    done
                    COMPREPLY=( "${mods[@]}" )
                fi
            fi
            ;;
    esac
} &&
complete -F _modprobe modprobe

# ex: ts=4 sw=4 et filetype=sh