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 word=$1; shift
  22         for w in $*; do [[ $w = $word ]] && return 0; done
  23         return 1
  24 }
  25
  26 __journal_fields=(MESSAGE{,_ID} PRIORITY CODE_{FILE,LINE,FUNC}
  27                   ERRNO SYSLOG_{FACILITY,IDENTIFIER,PID} COREDUMP_EXE
  28                   _{P,U,G}ID _COMM _EXE _CMDLINE
  29                   _AUDIT_{SESSION,LOGINUID}
  30                   _SYSTEMD_{CGROUP,SESSION,UNIT,OWNER_UID}
  31                   _SELINUX_CONTEXT _SOURCE_REALTIME_TIMESTAMP
  32                   _{BOOT,MACHINE}_ID _HOSTNAME _TRANSPORT
  33                   _KERNEL_{DEVICE,SUBSYSTEM}
  34                   _UDEV_{SYSNAME,DEVNODE,DEVLINK}
  35                   __CURSOR __{REALTIME,MONOTONIC}_TIMESTAMP)
  36 _coredumpctl() {
  37         local i verb comps
  38         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  39         local OPTS='-h --help --version --no-pager --no-legend -o --output -F --field'
  40
  41         local -A VERBS=(
  42             [LIST]='list'
  43             [DUMP]='dump gdb'
  44         )
  45
  46         if __contains_word "$prev" '--output -o'; then
  47                 comps=$( compgen -A file -- "$cur" )
  48                 compopt -o filenames
  49         elif __contains_word "$prev" '--FIELD -F'; then
  50                 comps=$( compgen -W '${__journal_fields[*]}' -- "$cur" )
  51         elif [[ $cur = -* ]]; then
  52                 comps=${OPTS}
  53         elif __contains_word "$prev" ${VERBS[*]} &&
  54            ! __contains_word ${COMP_WORDS[COMP_CWORD-2]} '--output -o -F --field'; then
  55                 compopt -o nospace
  56                 COMPREPLY=( $(compgen -W '${__journal_fields[*]}' -S= -- "$cur") )
  57                return 0
  58         elif [[ $cur = *=* ]]; then
  59                 mapfile -t field_vals < <(systemd-coredumpctl -F "${prev%=}" 2>/dev/null)
  60                 COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "${cur#=}") )
  61                 return 0
  62         elif [[ $prev = '=' ]]; then
  63                 mapfile -t field_vals < <(systemd-coredumpctl -F "${COMP_WORDS[COMP_CWORD-2]}" 2>/dev/null)
  64                 comps=${field_vals[*]}
  65         else
  66                 for ((i=0; i <= COMP_CWORD; i++)); do
  67                         if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
  68                                 verb=${COMP_WORDS[i]}
  69                                 break
  70                         fi
  71                 done
  72
  73                 if [[ -z $verb ]]; then
  74                         comps=${VERBS[*]}
  75                 elif __contains_word "$verb" ${VERBS[LIST]} ${VERBS[DUMP]}; then
  76                         comps=''
  77                 fi
  78         fi
  79
  80         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  81         return 0
  82 }
  83
  84 complete -F _coredumpctl systemd-coredumpctl