shell-completion/bash/coredumpctl

   1 # coredumpctl(1) completion                       -*- shell-script -*-
   2 # SPDX-License-Identifier: LGPL-2.1+
   3 #
   4 # This file is part of systemd.
   5 #
   6 # Copyright © 2010 Ran Benita
   7 #
   8 # systemd is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU Lesser General Public License as published by
  10 # the Free Software Foundation; either version 2.1 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # systemd is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16 # General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU Lesser General Public License
  19 # along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20
  21 __contains_word () {
  22         local w word=$1; shift
  23         for w in "$@"; do
  24                 [[ $w = "$word" ]] && return
  25         done
  26 }
  27
  28 __journal_fields=(MESSAGE{,_ID} PRIORITY CODE_{FILE,LINE,FUNC}
  29                   ERRNO SYSLOG_{FACILITY,IDENTIFIER,PID} COREDUMP_EXE
  30                   _{P,U,G}ID _COMM _EXE _CMDLINE
  31                   _AUDIT_{SESSION,LOGINUID}
  32                   _SYSTEMD_{CGROUP,SESSION,UNIT,OWNER_UID}
  33                   _SELINUX_CONTEXT _SOURCE_REALTIME_TIMESTAMP
  34                   _{BOOT,MACHINE}_ID _HOSTNAME _TRANSPORT
  35                   _KERNEL_{DEVICE,SUBSYSTEM}
  36                   _UDEV_{SYSNAME,DEVNODE,DEVLINK}
  37                   __CURSOR __{REALTIME,MONOTONIC}_TIMESTAMP)
  38 _coredumpctl() {
  39         local i verb comps
  40         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  41         local OPTS='-h --help --version --no-pager --no-legend -o --output -F --field -1
  42                     -r --reverse -S --since -U --until -D --directory -q --quiet'
  43
  44         local -A VERBS=(
  45             [LIST]='list info'
  46             [DUMP]='dump gdb'
  47         )
  48
  49         if __contains_word "$prev" '--output -o'; then
  50                 comps=$( compgen -A file -- "$cur" )
  51                 compopt -o filenames
  52         elif __contains_word "$prev" '-D --directory'; then
  53                 comps=$( compgen -A directory -- "$cur" )
  54                 compopt -o filenames
  55         elif __contains_word "$prev" '--field -F'; then
  56                 comps=$( compgen -W '${__journal_fields[*]}' -- "$cur" )
  57         elif [[ $cur = -* ]]; then
  58                 comps=${OPTS}
  59         elif __contains_word "$prev" ${VERBS[*]} &&
  60            ! __contains_word ${COMP_WORDS[COMP_CWORD-2]} '--output -o -D --directory -F --field'; then
  61                 compopt -o nospace
  62                 COMPREPLY=( $(compgen -W '${__journal_fields[*]}' -S= -- "$cur") )
  63                return 0
  64         elif [[ $cur = *=* ]]; then
  65                 mapfile -t field_vals < <(coredumpctl -F "${prev%=}" 2>/dev/null)
  66                 COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "${cur#=}") )
  67                 return 0
  68         elif [[ $prev = '=' ]]; then
  69                 mapfile -t field_vals < <(coredumpctl -F "${COMP_WORDS[COMP_CWORD-2]}" 2>/dev/null)
  70                 comps=${field_vals[*]}
  71         else
  72                 for ((i=0; i <= COMP_CWORD; i++)); do
  73                         if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
  74                                 verb=${COMP_WORDS[i]}
  75                                 break
  76                         fi
  77                 done
  78
  79                 if [[ -z $verb ]]; then
  80                         comps=${VERBS[*]}
  81                 elif __contains_word "$verb" ${VERBS[LIST]} ${VERBS[DUMP]}; then
  82                         comps=''
  83                 fi
  84         fi
  85
  86         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  87         return 0
  88 }
  89
  90 complete -F _coredumpctl coredumpctl