summaryrefslogtreecommitdiff
blob: ae0ecb7b70c4d0361e6fa4b9fd374f0fcdbcd015 (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
# This file is part of systemd.
#
# Copyright 2010 Ran Benita
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 General Public License
# along with systemd; If not, see <http://www.gnu.org/licenses/>.

__contains_word () {
        local word=$1; shift
        for w in $*; do [[ $w = $word ]] && return 0; done
        return 1
}

__filter_units_by_property () {
        local property=$1 value=$2 ; shift ; shift
        local -a units=( $* )
        local -a props=( $(systemctl show --property "$property" -- ${units[*]} | grep -v ^$) )
        for ((i=0; $i < ${#units[*]}; i++)); do
                if [[ "${props[i]}" = "$property=$value" ]]; then
                        echo "${units[i]}"
                fi
        done
}

__get_all_units      () { systemctl list-units --full --all | awk '                 {print $1}' ; }
__get_active_units   () { systemctl list-units --full       | awk '                 {print $1}' ; }
__get_inactive_units () { systemctl list-units --full --all | awk '$3 == "inactive" {print $1}' ; }
__get_failed_units   () { systemctl list-units --full       | awk '$3 == "failed"   {print $1}' ; }

_systemctl () {
        local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
        local verb comps

        local -A OPTS=(
               [STANDALONE]='--all -a --defaults --fail --ignore-dependencies --failed --force -f --full --global
                             --help -h --no-ask-password --no-block --no-reload --no-wall
                             --order --require --quiet -q --system --user --version'
                      [ARG]='--kill-mode --kill-who --property -p --signal -s --type -t'
        )

        if __contains_word "$prev" ${OPTS[ARG]}; then
                case $prev in
                        --signal|-s)
                                comps=$(compgen -A signal | grep '^SIG' | grep -Ev 'RTMIN|RTMAX|JUNK')
                        ;;
                        --type|-t)
                                comps='automount device mount path service snapshot socket swap target timer'
                        ;;
                        --kill-who)
                                comps='all control main'
                        ;;
                        --kill-mode)
                                comps='control-group process'
                        ;;
                        --property|-p)
                                comps=''
                        ;;
                esac
                COMPREPLY=( $(compgen -W "$comps" -- "$cur") )
                return 0
        fi


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

        local -A VERBS=(
                [ALL_UNITS]='enable disable is-active is-enabled status show'
             [FAILED_UNITS]='reset-failed'
          [STARTABLE_UNITS]='start restart reload-or-restart'
          [STOPPABLE_UNITS]='stop kill try-restart condrestart'
         [ISOLATEBLE_UNITS]='isolate'
         [RELOADABLE_UNITS]='reload reload-or-try-restart force-reload'
                     [JOBS]='cancel'
                [SNAPSHOTS]='delete'
                     [ENVS]='set-environment unset-environment'
               [STANDALONE]='daemon-reexec daemon-reload default dot dump emergency exit halt kexec
                             list-jobs list-units poweroff reboot rescue show-environment'
                     [NAME]='snapshot load'
        )

        local verb
        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

        if   [[ -z $verb ]]; then
                comps="${VERBS[*]}"

        elif __contains_word "$verb" ${VERBS[ALL_UNITS]}; then
                comps=$( __get_all_units )

        elif __contains_word "$verb" ${VERBS[STARTABLE_UNITS]}; then
                comps=$( __filter_units_by_property CanStart yes \
                      $( __get_inactive_units | grep -Ev '\.(device|snapshot)$' ))

        elif __contains_word "$verb" ${VERBS[STOPPABLE_UNITS]}; then
                comps=$( __filter_units_by_property CanStop yes \
                      $( __get_active_units ) )

        elif __contains_word "$verb" ${VERBS[RELOADABLE_UNITS]}; then
                comps=$( __filter_units_by_property CanReload yes \
                      $( __get_active_units ) )

        elif __contains_word "$verb" ${VERBS[ISOLATABLE_UNITS]}; then
                comps=$( __filter_units_by_property AllowIsolate yes \
                      $( __get_all_units ) )

        elif __contains_word "$verb" ${VERBS[FAILED_UNITS]}; then
                comps=$( __get_failed_units )

        elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[NAME]}; then
                comps=''

        elif __contains_word "$verb" ${VERBS[JOBS]}; then
                comps=$( systemctl list-jobs | awk '{print $1}' )

        elif __contains_word "$verb" ${VERBS[SNAPSHOTS]}; then
                comps=$( systemctl list-units --type snapshot --full --all | awk '{print $1}' )

        elif __contains_word "$verb" ${VERBS[ENVS]}; then
                comps=$( systemctl show-environment | sed 's_\([^=]\+=\).*_\1_' )
                compopt -o nospace
        fi

        COMPREPLY=( $(compgen -W "$comps" -- "$cur") )
        return 0
}
complete -F _systemctl systemctl