summaryrefslogtreecommitdiff
path: root/shell-completion/bash/journalctl
blob: 3beb347e1b756bc0f3bd1f3160c16ae1501dcad2 (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
# journalctl(1) completion                                -*- shell-script -*-
# SPDX-License-Identifier: LGPL-2.1+
#
# 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 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-images --no-legend --no-pager; machinectl list --no-legend --no-pager; echo ".host") | \
                { while read a b; do echo " $a"; done; } | sort -u;
}

__syslog_priorities=(emerg alert crit err warning notice info debug)

_journalctl() {
        local field_vals= cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
        local -A OPTS=(
                [STANDALONE]='-a --all --full --system --user
                              --disk-usage -f --follow --header
                              -h --help -l --local -m --merge --no-pager
                              --no-tail -q --quiet --setup-keys --verify
                              --version --list-catalog --update-catalog --list-boots
                              --show-cursor --dmesg -k --pager-end -e -r --reverse
                              --utc -x --catalog --no-full --force --dump-catalog
                              --flush --rotate --sync --no-hostname -N --fields'
                       [ARG]='-b --boot -D --directory --file -F --field -t --identifier
                              -M --machine -o --output -u --unit --user-unit -p --priority
                              --root --case-sensitive'
                [ARGUNKNOWN]='-c --cursor --interval -n --lines -S --since -U --until
                              --after-cursor --cursor-file --verify-key -g --grep
                              --vacuum-size --vacuum-time --vacuum-files --output-fields'
        )

        # Use the default completion for shell redirect operators
        if __contains_word "$prev" '>' '>>' '&>'; then
                compopt -o filenames
                COMPREPLY=( $(compgen -f -- "$cur") )
                return 0;
        fi

        if __contains_word "$prev" ${OPTS[ARG]} ${OPTS[ARGUNKNOWN]}; then
                case $prev in
                        --boot|-b)
                                comps=$(journalctl -F '_BOOT_ID' 2>/dev/null)
                        ;;
                        --directory|-D|--root)
                                comps=$(compgen -d -- "$cur")
                                compopt -o filenames
                        ;;
                        --file)
                                comps=$(compgen -f -- "$cur")
                                compopt -o filenames
                        ;;
                        --output|-o)
                                comps=$( journalctl --output=help 2>/dev/null )
                        ;;
                        --field|-F)
                                comps=$(journalctl --fields | sort 2>/dev/null)
                        ;;
                        --machine|-M)
                                comps=$( __get_machines )
                        ;;
                        --priority|-p)
                                comps=${__syslog_priorities[*]}
                        ;;
                        --unit|-u)
                                comps=$(journalctl -F '_SYSTEMD_UNIT' 2>/dev/null)
                        ;;
                        --user-unit)
                                comps=$(journalctl -F '_SYSTEMD_USER_UNIT' 2>/dev/null)
                        ;;
                        --identifier|-t)
                                comps=$(journalctl -F 'SYSLOG_IDENTIFIER' 2>/dev/null)
                        ;;
                        --case-sensitive)
                                comps='yes no'
                        ;;
                        *)
                                return 0
                        ;;
                esac
                COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
                return 0
        fi

        if [[ $cur = -* ]]; then
                COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
                return 0
        elif [[ $cur = *=* ]]; then
                mapfile -t field_vals < <(journalctl -F "${prev%=}" 2>/dev/null)
                COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "${cur#=}") )
        elif [[ $cur = /dev* ]]; then
                compopt -o filenames
                COMPREPLY=( $(compgen -f -- "${cur}") )
        elif [[ $cur = /* ]]; then
                # Append /dev/ to the list of completions, so that
                # after typing /<TAB><TAB> the user sees /dev/ as one
                # of the alternatives. Later on the rule above will
                # take care of showing device files in /dev/.
                mapfile -t field_vals < <(journalctl -F "_EXE" 2>/dev/null; echo '/dev/')
                COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "${cur}") )
                if [[ "${COMPREPLY[@]}" = '/dev/' ]]; then
                    compopt -o filenames
                    COMPREPLY=( $(compgen -f -- "${cur}") )
                fi
        elif [[ $prev = '=' ]]; then
                mapfile -t field_vals < <(journalctl -F "${COMP_WORDS[COMP_CWORD-2]}" 2>/dev/null)
                COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "$cur") )
        else
                mapfile -t field_vals < <(journalctl --fields 2>/dev/null)
                compopt -o nospace
                COMPREPLY=( $(compgen -W '${field_vals[*]}' -S= -- "$cur") )
        fi
}

complete -F _journalctl journalctl