# Completions for tools included in util-linux (not necessarily Linux specific)

# renice(8) completion
#
have renice &&
_renice()
{
    local cur prev words cword
    _init_completion || return

    local command=$1 curopt i=0

    # walk back through command line and find last option
    while [[ $i -le $cword && ${#COMPREPLY[@]} -eq 0 ]]; do
        curopt=${words[cword-$i]}
        case "$curopt" in
            -u)
                _allowed_users
                ;;
            -g)
                _pgids
                ;;
            -p|$command)
                _pids
                ;;
        esac
        i=$(( ++i ))
    done
} &&
complete -F _renice renice

# kill(1) completion
#
have kill &&
_kill()
{
    local cur prev words cword
    _init_completion || return

    if [[ $cword -eq 1 && "$cur" == -* ]]; then
        # return list of available signals
        _signals
    else
        # return list of available PIDs
        _pids
    fi
} &&
complete -F _kill kill

# look(1) completion
#
have look &&
_look()
{
    local cur prev words cword
    _init_completion || return

    if [[ $cword -eq 1 ]]; then
        COMPREPLY=( $( compgen -W '$(look "$cur" 2>/dev/null)' -- "$cur" ) )
    fi
} &&
complete -F _look -o default look

have ionice &&
_ionice()
{
    local cur prev words cword
    _init_completion || return

    local offset=0 i
    for (( i=1; i <= cword; i++ )); do
        case ${words[i]} in
            -h)
                return
                ;;
            -p)
                offset=0
                break
                ;;
            -c|-n)
                (( i++ ))
                continue
                ;;
            -*)
                continue
                ;;
        esac
        offset=$i
        break
    done

    if [[ $offset -gt 0 ]]; then
        _command_offset $offset
        return
    fi

    case $prev in
        -c)
            COMPREPLY=( $( compgen -W '{0..3}' -- "$cur" ) )
            return
            ;;
        -n)
            COMPREPLY=( $( compgen -W '{0..7}' -- "$cur" ) )
            return
            ;;
        -p)
            _pids
            return
            ;;
    esac

    if [[ $cur == -* ]]; then
        COMPREPLY=( $( compgen -W '$( _parse_help "$1" -h )' -- "$cur" ) )
        return
    fi
} &&
complete -F _ionice ionice

have dmesg &&
_dmesg()
{
    [[ $OSTYPE == *solaris* ]] && return # no args there

    local cur prev words cword
    _init_completion || return

    case $prev in
        -s|-M|-N)
            return
            ;;
        -n)
            COMPREPLY=( $( compgen -W '{1..8}' -- "$cur" ) )
            return
            ;;
    esac

    if [[ $cur == -* ]]; then
        COMPREPLY=( $( compgen -W '$( _parse_usage "$1" )' -- "$cur" ) )
        return
    fi
} &&
complete -F _dmesg dmesg

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