summaryrefslogtreecommitdiff
path: root/shell-completion/bash/systemd-analyze
blob: 75352a7b3eafc4426e398dee12794a6ff49a69f7 (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
# systemd-analyze(1) completion                      -*- shell-script -*-
#
# This file is part of systemd.
#
# Copyright 2010 Ran Benita
# Copyright 2013 Harald Hoyer
#
# 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 | { while read a b; do echo " $a"; done; };
}

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

        local -A OPTS=(
               [STANDALONE]='--help --version --system --user --order --require --no-pager --man'
                      [ARG]='-H --host -M --machine --fuzz --from-pattern --to-pattern '
        )

        local -A VERBS=(
                [STANDALONE]='time blame plot dump'
                [CRITICAL_CHAIN]='critical-chain'
                [DOT]='dot'
                [LOG_LEVEL]='set-log-level'
                [LOG_TARGET]='set-log-target'
                [VERIFY]='verify'
                [SECCOMP_FILTER]='syscall-filter'
        )

        _init_completion || return

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

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

        elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
                if [[ $cur = -* ]]; then
                        comps='--help --version --system --user'
                fi

        elif __contains_word "$verb" ${VERBS[CRITICAL_CHAIN]}; then
                if [[ $cur = -* ]]; then
                        comps='--help --version --system --user --fuzz'
                fi

        elif __contains_word "$verb" ${VERBS[DOT]}; then
                if [[ $cur = -* ]]; then
                        comps='--help --version --system --user --from-pattern --to-pattern --order --require'
                fi

        elif __contains_word "$verb" ${VERBS[LOG_LEVEL]}; then
                if [[ $cur = -* ]]; then
                        comps='--help --version --system --user'
                else
                        comps='debug info notice warning err crit alert emerg'
                fi

        elif __contains_word "$verb" ${VERBS[LOG_TARGET]}; then
                if [[ $cur = -* ]]; then
                        comps='--help --version --system --user'
                else
                        comps='console journal kmsg journal-or-kmsg null'
                fi

        elif __contains_word "$verb" ${VERBS[SECCOMP_FILTER]}; then
                if [[ $cur = -* ]]; then
                        comps='--help --version'
                fi

        elif __contains_word "$verb" ${VERBS[VERIFY]}; then
                if [[ $cur = -* ]]; then
                        comps='--help --version --system --user --man'
                else
                        comps=$( compgen -A file -- "$cur" )
                        compopt -o filenames
                fi

        fi

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

complete -F _systemd_analyze systemd-analyze