晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Directory :  /usr/share/bash-completion/completions/

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Current File : //usr/share/bash-completion/completions/portablectl
# portablectl(1) completion                             -*- shell-script -*-
# SPDX-License-Identifier: LGPL-2.1+
#
# 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 <http://www.gnu.org/licenses/>.

__contains_word () {
        local w word=$1; shift
        for w in "$@"; do
                [[ $w = "$word" ]] && return
        done
}

__get_machines() {
        local a b
        machinectl list --no-legend --no-pager 2>/dev/null |
                { while read a b; do echo " $a"; done; };
}

_portablectl() {
        local i n comps verb
        local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
        local -A OPTS=(
                [STANDALONE]='-q --quiet --runtime --no-reload --cat --no-pager --no-legend
                              --no-ask-password -h --help --version'
                [ARG]='-p --profile --copy -H --host -M --machine'
        )

        local -A VERBS=(
                [STANDALONE]='list'
                [IMAGE]='attach detach inspect is-attached set-limit'
                [IMAGES]='remove'
                [IMAGE_WITH_BOOL]='read-only'
        )

        if __contains_word "$prev" ${OPTS[ARG]}; then
                case $prev in
                        --profile|-p)
                                comps="default nonetwork strict trusted"
                                ;;
                        --copy)
                                comps="copy symlink auto"
                                ;;
                        --host|-H)
                                comps=$(compgen -A hostname)
                                ;;
                        --machine|-M)
                                comps=$( __get_machines )
                                ;;
                esac
                COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
                return 0
        fi

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

        for ((i=0; i < COMP_CWORD; i++)); do
                if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
                 ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
                        verb=${COMP_WORDS[i]}
                        break
                fi
        done

        n=$(($COMP_CWORD - $i))

        if [[ -z $verb ]]; then
                comps=${VERBS[*]}
        elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
                comps=''
        elif __contains_word "$verb" ${VERBS[IMAGE]}; then
                if [[ $n == 1 ]]; then
                        comps=$( compgen -A file -- "$cur" )
                        compopt -o filenames
                else
                        comps=''
                fi
        elif __contains_word "$verb" ${VERBS[IMAGES]}; then
                comps=$( compgen -A file -- "$cur" )
                compopt -o filenames
        elif __contains_word "$verb" ${VERBS[IMAGE_WITH_BOOL]}; then
                if [[ $n == 1 ]]; then
                        comps=$( compgen -A file -- "$cur" )
                        compopt -o filenames
                elif [[ $n == 2 ]]; then
                        comps='yes no'
                else
                        comps=''
                fi
        fi

        COMPREPLY=( $(compgen -o filenames -W '$comps' -- "$cur") )
        return 0
}

complete -F _portablectl portablectl

haha - 2025