[thirdparty/systemd.git] / shell-completion / bash / busctl

# busctl(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; };
}

__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 -j'
        [ARG]='--address -H --host -M --machine --match --timeout --size --json
                      --destination'
    )

    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=$( __get_machines )
                ;;
            --json)
                comps=$( busctl --json=help 2>/dev/null )
                ;;
            --destination)
                comps=$( __get_busnames $mode )
                ;;
        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'
        [EMIT]='emit'
        [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" ${VERBS[EMIT]}; then
        comps=''
    elif __contains_word "$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
Commit	Line	Data
8ec76163	1	# busctl(1) completion -- shell-script --
7059062c	2	# SPDX-License-Identifier: LGPL-2.1+
86cb0691 ZJS	3	#
86cb0691 ZJS	4	# This file is part of systemd.
86cb0691 ZJS	5	#
	6	# systemd is free software; you can redistribute it and/or modify it
	7	# under the terms of the GNU Lesser General Public License as published by
	8	# the Free Software Foundation; either version 2.1 of the License, or
	9	# (at your option) any later version.
	10	#
	11	# systemd is distributed in the hope that it will be useful, but
	12	# WITHOUT ANY WARRANTY; without even the implied warranty of
	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	# General Public License for more details.
	15	#
	16	# You should have received a copy of the GNU Lesser General Public License
	17	# along with systemd; If not, see <http://www.gnu.org/licenses/>.
	18
	19	__contains_word () {
843cfcb1 ZJS	20	local w word=$1; shift
	21	for w in "$@"; do
	22	[[ $w = "$word" ]] && return
	23	done
86cb0691 ZJS	24	}
86cb0691 ZJS	25
8ec76163	26	__get_machines() {
843cfcb1 ZJS	27	local a b
	28	machinectl list --no-legend --no-pager 2>/dev/null \|
	29	{ while read a b; do echo " $a"; done; };
8ec76163 TA	30	}
8ec76163 TA	31
e275f5e2	32	__get_busnames() {
843cfcb1 ZJS	33	local mode=$1
	34	local a b
	35	busctl $mode list --no-legend --no-pager 2>/dev/null \|
	36	{ while read a b; do echo " $a"; done; };
8ec76163 TA	37	}
8ec76163 TA	38
e275f5e2	39	__get_objects() {
843cfcb1 ZJS	40	local mode=$1
	41	local busname=$2
	42	local a b
	43	busctl $mode tree --list --no-legend --no-pager $busname 2>/dev/null \|
	44	{ while read a b; do echo " $a"; done; };
e275f5e2 LP	45	}
	46
	47	__get_interfaces() {
843cfcb1 ZJS	48	local mode=$1
	49	local busname=$2
	50	local path=$3
	51	local a b c
	52	busctl $mode introspect --list --no-legend --no-pager $busname $path 2>/dev/null \|
	53	{ while read a b c; do [[ "$b" == "interface" ]] && echo " $a"; done; };
e275f5e2 LP	54	}
	55
	56	__get_members() {
843cfcb1 ZJS	57	local mode=$1
	58	local busname=$2
	59	local path=$3
	60	local interface=$4
	61	local type=$5
	62	local flags=$6
	63	local a b c d e
	64	busctl $mode introspect --list --no-legend --no-pager $busname $path $interface 2>/dev/null \|
	65	sed -e 's/^\.//' \|
	66	{ while read a b c d e; do [[ "$b" == "$type" && ( -z $flags \|\| "$e" == "$flags" ) ]] && echo " $a"; done; };
e275f5e2 LP	67	}
	68
	69	__get_signature() {
843cfcb1 ZJS	70	local mode=$1
	71	local busname=$2
	72	local path=$3
	73	local interface=$4
	74	local member=$5
	75	local a b c d
	76	busctl $mode introspect --list --no-legend --no-pager $busname $path $interface 2>/dev/null \|
	77	sed -e 's/^\.//' \| { while read a b c d; do [[ "$a" == "$member" && "$c" != '-' ]] && echo " \"$c\""; done; };
e275f5e2 LP	78	}
e275f5e2 LP	79
86cb0691	80	_busctl() {
843cfcb1 ZJS	81	local i n verb comps mode
	82	local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
	83	local -A OPTS=(
	84	[STANDALONE]='-h --help --version --no-pager --no-legend --system --user
	85	--show-machine --unique --acquired --activatable --list
	86	-q --quiet --verbose --expect-reply=no --auto-start=no
	87	--allow-interactive-authorization=no --augment-creds=no
	88	--watch-bind=yes -j'
	89	[ARG]='--address -H --host -M --machine --match --timeout --size --json
	90	--destination'
	91	)
	92
	93	if __contains_word "--user" ${COMP_WORDS[*]}; then
	94	mode=--user
	95	else
	96	mode=--system
	97	fi
	98
	99	if __contains_word "$prev" ${OPTS[ARG]}; then
	100	case $prev in
	101	--host\|-H)
	102	comps=$(compgen -A hostname)
	103	;;
	104	--machine\|-M)
	105	comps=$( __get_machines )
	106	;;
	107	--json)
	108	comps=$( busctl --json=help 2>/dev/null )
	109	;;
	110	--destination)
	111	comps=$( __get_busnames $mode )
	112	;;
	113	esac
	114	COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
	115	return 0
	116	fi
	117
	118	if [[ "$cur" = -* ]]; then
	119	COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
	120	return 0
	121	fi
	122
	123	local -A VERBS=(
	124	[STANDALONE]='list help'
	125	[BUSNAME]='status monitor capture tree'
	126	[OBJECT]='introspect'
	127	[METHOD]='call'
	128	[EMIT]='emit'
	129	[PROPERTY_GET]='get-property'
	130	[PROPERTY_SET]='set-property'
	131	)
	132
	133	for ((i=0; i < COMP_CWORD; i++)); do
	134	if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
	135	! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
	136	verb=${COMP_WORDS[i]}
	137	break
	138	fi
	139	done
	140
	141	n=$(($COMP_CWORD - $i))
	142
	143	if [[ -z $verb ]]; then
	144	comps=${VERBS[*]}
145	elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
146	comps=''
147	elif __contains_word "$verb" ${VERBS[BUSNAME]}; then
148	comps=$( __get_busnames $mode)
149	elif __contains_word "$verb" ${VERBS[OBJECT]}; then
150	if [[ $n -eq 1 ]] ; then
151	comps=$( __get_busnames $mode)
152	elif [[ $n -eq 2 ]] ; then
153	comps=$( __get_objects $mode ${COMP_WORDS[COMP_CWORD-1]})
154	elif [[ $n -eq 3 ]] ; then
155	comps=$( __get_interfaces $mode ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
51e430a5	156	else
843cfcb1	157	comps=''
51e430a5	158	fi
843cfcb1 ZJS	159	elif __contains_word "$verb" ${VERBS[METHOD]}; then
	160	if [[ $n -eq 1 ]] ; then
	161	comps=$( __get_busnames $mode)
	162	elif [[ $n -eq 2 ]] ; then
	163	comps=$( __get_objects $mode ${COMP_WORDS[COMP_CWORD-1]})
	164	elif [[ $n -eq 3 ]] ; then
	165	comps=$( __get_interfaces $mode ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
	166	elif [[ $n -eq 4 ]] ; then
	167	comps=$( __get_members $mode ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]} method)
	168	elif [[ $n -eq 5 ]] ; then
	169	comps=$( __get_signature $mode ${COMP_WORDS[COMP_CWORD-4]} ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
	170	else
	171	comps=''
86cb0691	172	fi
843cfcb1 ZJS	173	elif __contains_word "$verb" ${VERBS[EMIT]}; then
	174	comps=''
	175	elif __contains_word "$verb" ${VERBS[PROPERTY_GET]}; then
	176	if [[ $n -eq 1 ]] ; then
	177	comps=$( __get_busnames $mode)
	178	elif [[ $n -eq 2 ]] ; then
	179	comps=$( __get_objects $mode ${COMP_WORDS[COMP_CWORD-1]})
	180	elif [[ $n -eq 3 ]] ; then
	181	comps=$( __get_interfaces $mode ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
	182	elif [[ $n -eq 4 ]] ; then
	183	comps=$( __get_members $mode ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]} property)
	184	else
	185	comps=''
86cb0691	186	fi
843cfcb1 ZJS	187	elif __contains_word "$verb" ${VERBS[PROPERTY_SET]}; then
	188	if [[ $n -eq 1 ]] ; then
	189	comps=$( __get_busnames $mode)
	190	elif [[ $n -eq 2 ]] ; then
	191	comps=$( __get_objects $mode ${COMP_WORDS[COMP_CWORD-1]})
	192	elif [[ $n -eq 3 ]] ; then
	193	comps=$( __get_interfaces $mode ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
	194	elif [[ $n -eq 4 ]] ; then
	195	comps=$( __get_members $mode ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]} property writable)
	196	elif [[ $n -eq 5 ]] ; then
	197	comps=$( __get_signature $mode ${COMP_WORDS[COMP_CWORD-4]} ${COMP_WORDS[COMP_CWORD-3]} ${COMP_WORDS[COMP_CWORD-2]} ${COMP_WORDS[COMP_CWORD-1]})
	198	else
	199	comps=''
86cb0691	200	fi
843cfcb1	201	fi
86cb0691	202
843cfcb1 ZJS	203	COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
843cfcb1 ZJS	204	return 0
86cb0691 ZJS	205	}
	206
	207	complete -F _busctl busctl