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Filename : run0
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# shellcheck shell=bash
# run0(1) completion                      -*- shell-script -*-
# SPDX-License-Identifier: LGPL-2.1-or-later
#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# systemd is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with systemd; If not, see <https://www.gnu.org/licenses/>.

__systemctl() {
    systemctl --system --full --no-legend --no-pager --plain "$@"
}

__get_slice_units () { __systemctl list-units --all -t slice 2>/dev/null |
                           { while read -r a b c d; do echo " $a"; done; }; }

__get_machines() {
    local a b
    { machinectl list --full --max-addresses=0 --no-legend --no-pager 2>/dev/null; echo ".host"; } |
        { while read -r a b; do echo " $a"; done; } |
        sort -u
}

_run0() {
    local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
    local opts_with_values=(
        --machine --unit --property --description --slice -u --user -g --group --nice -D --chdir
        --setenv --background
    )
    local OPTS="${opts_with_values[*]} -h --help -V --version --no-ask-password --slice-inherit --empower"

    local i
    for (( i=1; i <= COMP_CWORD; i++ )); do
        if [[ ${COMP_WORDS[i]} != -* ]]; then
            local root_command=${COMP_WORDS[i]}
            _command_offset ${i}
            return
        fi

        [[ ${i} -lt ${COMP_CWORD} && " ${opts_with_values[@]} " =~ " ${COMP_WORDS[i]} " ]] && ((i++))
    done

    case "${prev}" in
        --unit|--description|--nice|--setenv|--background)
            # argument required but no completions available
            return
            ;;
        --slice)
            local comps=$(__get_slice_units)

            COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
            return 0
            ;;
        --property)
            local comps='CPUAccounting= MemoryAccounting= BlockIOAccounting= SendSIGHUP=
                         SendSIGKILL= MemoryLimit= CPUShares= BlockIOWeight= User= Group=
                         DevicePolicy= KillMode= ExitType= DeviceAllow= BlockIOReadBandwidth=
                         BlockIOWriteBandwidth= BlockIODeviceWeight= Nice= Environment=
                         KillSignal= RestartKillSignal= FinalKillSignal= LimitCPU= LimitFSIZE= LimitDATA=
                         LimitSTACK= LimitCORE= LimitRSS= LimitNOFILE= LimitAS= LimitNPROC=
                         LimitMEMLOCK= LimitLOCKS= LimitSIGPENDING= LimitMSGQUEUE=
                         LimitNICE= LimitRTPRIO= LimitRTTIME= PrivateTmp= PrivateDevices=
                         PrivateNetwork= NoNewPrivileges= WorkingDirectory= RootDirectory=
                         TTYPath= SyslogIdentifier= SyslogLevelPrefix= SyslogLevel=
                         SyslogFacility= TimerSlackNSec= OOMScoreAdjust= ReadWritePaths=
                         ReadOnlyPaths= InaccessiblePaths= EnvironmentFile=
                         ProtectSystem= ProtectHome= RuntimeDirectory= PassEnvironment='

            COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
            return 0
            ;;
        --machine)
            local comps=$( __get_machines )

            COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
            return 0
            ;;
        -u|--user)
            COMPREPLY=($(compgen -u -- "$cur"))
            return 0
            ;;
        -g|--group)
            COMPREPLY=($(compgen -g -- "$cur"))
            return 0
            ;;
        -D|--chdir)
            local comps
            if [[ -z $cur ]]; then
                comps=$(compgen -A directory -- "/" )
            else
                comps=$(compgen -A directory -- "$cur" )
            fi
            compopt -o filenames
            COMPREPLY=( $(compgen -W '$comps' -- "$cur" ) )
            return 0
            ;;
    esac

    COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
    return 0
}

complete -F _run0 run0