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Revert "completion: don't offer completions for journalctl -b"
[elogind.git] / shell-completion / bash / systemd-coredumpctl
1 # systemd-coredumpctl(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 _coredumpctl() {
38         local i verb comps
39         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
40         local OPTS='-h --help --version --no-pager --no-legend -o --output -F --field'
41
42         local -A VERBS=(
43             [LIST]='list'
44             [DUMP]='dump gdb'
45         )
46
47         if __contains_word "$prev" '--output -o'; then
48                 comps=$( compgen -A file -- "$cur" )
49                 compopt -o filenames
50         elif __contains_word "$prev" '--FIELD -F'; then
51                 comps=$( compgen -W '${__journal_fields[*]}' -- "$cur" )
52         elif [[ $cur = -* ]]; then
53                 comps=${OPTS}
54         elif __contains_word "$prev" ${VERBS[*]} &&
55            ! __contains_word ${COMP_WORDS[COMP_CWORD-2]} '--output -o -F --field'; then
56                 compopt -o nospace
57                 COMPREPLY=( $(compgen -W '${__journal_fields[*]}' -S= -- "$cur") )
58                return 0
59         elif [[ $cur = *=* ]]; then
60                 mapfile -t field_vals < <(systemd-coredumpctl -F "${prev%=}" 2>/dev/null)
61                 COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "${cur#=}") )
62                 return 0
63         elif [[ $prev = '=' ]]; then
64                 mapfile -t field_vals < <(systemd-coredumpctl -F "${COMP_WORDS[COMP_CWORD-2]}" 2>/dev/null)
65                 comps=${field_vals[*]}
66         else
67                 for ((i=0; i <= COMP_CWORD; i++)); do
68                         if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
69                                 verb=${COMP_WORDS[i]}
70                                 break
71                         fi
72                 done
73
74                 if [[ -z $verb ]]; then
75                         comps=${VERBS[*]}
76                 elif __contains_word "$verb" ${VERBS[LIST]} ${VERBS[DUMP]}; then
77                         comps=''
78                 fi
79         fi
80
81         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
82         return 0
83 }
84
85 complete -F _coredumpctl systemd-coredumpctl