chiark / gitweb /
loginctl,shell-completions: fix listing of sessions/users/seats
[elogind.git] / shell-completion / bash / journalctl
1 # journalctl(1) completion                                -*- shell-script -*-
2 #
3 # This file is part of systemd.
4 #
5 # Copyright 2010 Ran Benita
6 #
7 # systemd is free software; you can redistribute it and/or modify it
8 # under the terms of the GNU Lesser General Public License as published by
9 # the Free Software Foundation; either version 2.1 of the License, or
10 # (at your option) any later version.
11 #
12 # systemd is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # General Public License for more details.
16 #
17 # You should have received a copy of the GNU Lesser General Public License
18 # along with systemd; If not, see <http://www.gnu.org/licenses/>.
19
20 __contains_word () {
21         local w word=$1; shift
22         for w in "$@"; do
23                 [[ $w = "$word" ]] && return
24         done
25 }
26
27 __journal_fields=(MESSAGE{,_ID} PRIORITY CODE_{FILE,LINE,FUNC}
28                   ERRNO SYSLOG_{FACILITY,IDENTIFIER,PID} COREDUMP_EXE
29                   _{P,U,G}ID _COMM _EXE _CMDLINE
30                   _AUDIT_{SESSION,LOGINUID}
31                   _SYSTEMD_{CGROUP,SESSION,UNIT,OWNER_UID}
32                   _SELINUX_CONTEXT _SOURCE_REALTIME_TIMESTAMP
33                   _{BOOT,MACHINE}_ID _HOSTNAME _TRANSPORT
34                   _KERNEL_{DEVICE,SUBSYSTEM}
35                   _UDEV_{SYSNAME,DEVNODE,DEVLINK}
36                   __CURSOR __{REALTIME,MONOTONIC}_TIMESTAMP)
37
38 _journalctl() {
39         local field_vals= cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
40         local -A OPTS=(
41                 [STANDALONE]='-a --all --full --system --user
42                               --disk-usage -f --follow --header
43                               -h --help -l --local --new-id128 -m --merge --no-pager
44                               --no-tail -q --quiet --setup-keys --this-boot --verify
45                               --version --list-catalog --update-catalog --list-boots'
46                        [ARG]='-b --boot --this-boot -D --directory --file -F --field
47                               -o --output -u --unit --user-unit'
48                 [ARGUNKNOWN]='-c --cursor --interval -n --lines -p --priority --since --until
49                               --verify-key'
50         )
51
52         if __contains_word "$prev" ${OPTS[ARG]} ${OPTS[ARGUNKNOWN]}; then
53                 case $prev in
54                         --boot|--this-boot|-b)
55                                 comps=$(journalctl -F '_BOOT_ID' 2>/dev/null)
56                         ;;
57                         --directory|-D)
58                                 comps=$(compgen -d -- "$cur")
59                                 compopt -o filenames
60                         ;;
61                         --file)
62                                 comps=$(compgen -f -- "$cur")
63                                 compopt -o filenames
64                         ;;
65                         --output|-o)
66                                 comps='short short-monotonic verbose export json cat'
67                         ;;
68                         --field|-F)
69                                 comps=${__journal_fields[*]}
70                         ;;
71                         --unit|-u)
72                                 comps=$(journalctl -F '_SYSTEMD_UNIT' 2>/dev/null)
73                         ;;
74                         --user-unit)
75                                 comps=$(journalctl -F '_SYSTEMD_USER_UNIT' 2>/dev/null)
76                         ;;
77                         *)
78                                 return 0
79                         ;;
80                 esac
81                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
82                 return 0
83         fi
84
85         if [[ $cur = -* ]]; then
86                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
87                 return 0
88         elif [[ $cur = *=* ]]; then
89                 mapfile -t field_vals < <(journalctl -F "${prev%=}" 2>/dev/null)
90                 COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "${cur#=}") )
91         elif [[ $cur = /dev* ]]; then
92                 compopt -o filenames
93                 COMPREPLY=( $(compgen -f -- "${cur}") )
94         elif [[ $cur = /* ]]; then
95                 # Append /dev/ to the list of completions, so that
96                 # after typing /<TAB><TAB> the user sees /dev/ as one
97                 # of the alternatives. Later on the rule above will
98                 # take care of showing device files in /dev/.
99                 mapfile -t field_vals < <(journalctl -F "_EXE" 2>/dev/null; echo '/dev/')
100                 COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "${cur}") )
101                 if [[ "${COMPREPLY[@]}" = '/dev/' ]]; then
102                     compopt -o filenames
103                     COMPREPLY=( $(compgen -f -- "${cur}") )
104                 fi
105         elif [[ $prev = '=' ]]; then
106                 mapfile -t field_vals < <(journalctl -F "${COMP_WORDS[COMP_CWORD-2]}" 2>/dev/null)
107                 COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "$cur") )
108         else
109                 compopt -o nospace
110                 COMPREPLY=( $(compgen -W '${__journal_fields[*]}' -S= -- "$cur") )
111         fi
112 }
113
114 complete -F _journalctl journalctl