summaryrefslogtreecommitdiffstats
path: root/shell-completion/bash/busctl
blob: 1ac8ac7ecae1785616aac5e5cf3eef851585137c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
# busctl(1) completion                               -*- shell-script -*-
# SPDX-License-Identifier: LGPL-2.1+
#
# This file is part of systemd.
#
# Copyright 2013 Zbigniew Jędrzejewski-Szmek
# Copyright 2014 Thomas H.P. Andersen
#
# 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; };
}

__get_busnames() {
        local mode=$1
        local a b
        busctl $mode list --no-legend --no-pager 2>/dev/null |
                { while read a b; do echo " $a"; done; };
}

__get_objects() {
        local mode=$1
        local busname=$2
        local a b
        busctl $mode tree --list --no-legend --no-pager $busname 2>/dev/null |
                { while read a b; do echo " $a"; done; };
}

__get_interfaces() {
        local mode=$1
        local busname=$2
        local path=$3
        local a b c
        busctl $mode introspect --list --no-legend --no-pager $busname $path 2>/dev/null |
                { while read a b c; do [[ "$b" == "interface" ]] && echo " $a"; done; };
}

__get_members() {
        local mode=$1
        local busname=$2
        local path=$3
        local interface=$4
        local type=$5
        local flags=$6
        local a b c d e
        busctl $mode introspect --list --no-legend --no-pager $busname $path $interface 2>/dev/null |
                sed -e 's/^\.//' |
                { while read a b c d e; do [[ "$b" == "$type" && ( -z $flags || "$e" == "$flags" ) ]] && echo " $a"; done; };
}

__get_signature() {
        local mode=$1
        local busname=$2
        local path=$3
        local interface=$4
        local member=$5
        local a b c d
        busctl $mode introspect --list --no-legend --no-pager $busname $path $interface 2>/dev/null |
                sed -e 's/^\.//' | { while read a b c d; do [[ "$a" == "$member" && "$c" != '-' ]] && echo " \"$c\""; done; };
}

_busctl() {
        local i n verb comps mode
        local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
        local -A OPTS=(
               [STANDALONE]='-h --help --version --no-pager --no-legend --system --user
                             --show-machine --unique --acquired --activatable --list
                             -q --quiet --verbose --expect-reply=no --auto-start=no
                             --allow-interactive-authorization=no --augment-creds=no
                             --watch-bind=yes'
                      [ARG]='--address -H --host -M --machine --match --timeout --size'
        )

        if __contains_word "--user" ${COMP_WORDS[*]}; then
                mode=--user
        else
                mode=--system
        fi

        if __contains_word "$prev" ${OPTS[ARG]}; then
                case $prev in
                        --host|-H)
                                comps=$(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

        local -A VERBS=(
                [STANDALONE]='list help'
                [BUSNAME]='status monitor capture tree'
                [OBJECT]='introspect'
                [METHOD]='call'
                [PROPERTY_GET]='get-property'
                [PROPERTY_SET]='set-property'
        )

        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" ${VERBS[BUSNAME]}; then
                comps=$( __get_busnames $mode)
        elif __contains_word "$verb" ${VERBS[OBJECT]}; then
                if [[ $n -eq 1 ]] ; then
                        comps=$( __get_busnames $mode)
                elif [[ $n -eq 2 ]] ; then
                        comps=$( __get_objects $mode ${COMP_WORDS[COMP_CWORD-1]})
                elif [[ $n -eq 3 ]] ; then
                        comps=$( __get_interfaces $mode ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
                else
                        comps=''
                fi
        elif __contains_word "$verb" ${VERBS[METHOD]}; then
                if [[ $n -eq 1 ]] ; then
                        comps=$( __get_busnames $mode)
                elif [[ $n -eq 2 ]] ; then
                        comps=$( __get_objects $mode ${COMP_WORDS[COMP_CWORD-1]})
                elif [[ $n -eq 3 ]] ; then
                        comps=$( __get_interfaces $mode ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
                elif [[ $n -eq 4 ]] ; then
                        comps=$( __get_members $mode ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]} method)
                elif [[ $n -eq 5 ]] ; then
                        comps=$( __get_signature $mode ${COMP_WORDS[COMP_CWORD-4]} ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
                else
                        comps=''
                fi
        elif __contains_word "$verb" ${VERBS[PROPERTY_GET]}; then
                if [[ $n -eq 1 ]] ; then
                        comps=$( __get_busnames $mode)
                elif [[ $n -eq 2 ]] ; then
                        comps=$( __get_objects $mode ${COMP_WORDS[COMP_CWORD-1]})
                elif [[ $n -eq 3 ]] ; then
                        comps=$( __get_interfaces $mode ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
                elif [[ $n -eq 4 ]] ; then
                        comps=$( __get_members $mode ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]} property)
                else
                        comps=''
                fi
        elif __contains_word "$verb" ${VERBS[PROPERTY_SET]}; then
                if [[ $n -eq 1 ]] ; then
                        comps=$( __get_busnames $mode)
                elif [[ $n -eq 2 ]] ; then
                        comps=$( __get_objects $mode ${COMP_WORDS[COMP_CWORD-1]})
                elif [[ $n -eq 3 ]] ; then
                        comps=$( __get_interfaces $mode ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
                elif [[ $n -eq 4 ]] ; then
                        comps=$( __get_members $mode ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]} property writable)
                elif [[ $n -eq 5 ]] ; then
                        comps=$( __get_signature $mode ${COMP_WORDS[COMP_CWORD-4]} ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
                else
                        comps=''
                fi
        fi

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

complete -F _busctl busctl