shell-completion/bash/machinectl

   1 # machinectl(1) completion                      -*- shell-script -*-
   2 # SPDX-License-Identifier: LGPL-2.1+
   3 #
   4 # This file is part of systemd.
   5 #
   6 # Copyright © 2014 Thomas H.P. Andersen
   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 __get_machines() {
  29         local a b
  30         (machinectl list-images --no-legend --no-pager; machinectl list --no-legend --no-pager; echo ".host") | \
  31                 { while read a b; do echo " $a"; done; } | sort -u;
  32 }
  33
  34 _machinectl() {
  35         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  36         local i verb comps
  37
  38         local -A OPTS=(
  39                [STANDALONE]='--all -a -l --full --help -h --no-ask-password --no-legend --no-pager --version --value
  40                              --mkdir --read-only --force -q --quiet'
  41                       [ARG]='--host -H --kill-who -M --machine --property -p --signal -s --uid -E --setenv -n --lines
  42                              -o --output --verify --format --max-addresses'
  43         )
  44
  45         local -A VERBS=(
  46                [STANDALONE]='list list-images clean pull-tar pull-raw list-transfers cancel-transfer'
  47                  [MACHINES]='status show start stop login shell enable disable poweroff reboot terminate kill bind copy-to copy-from
  48                              image-status show-image clone rename read-only remove set-limit export-tar export-raw'
  49                      [FILE]='import-tar import-raw'
  50         )
  51
  52         _init_completion || return
  53
  54         for ((i=0; i <= COMP_CWORD; i++)); do
  55                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
  56                  ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
  57                         verb=${COMP_WORDS[i]}
  58                         break
  59                 fi
  60         done
  61
  62         if __contains_word "$prev" ${OPTS[ARG]}; then
  63                 case $prev in
  64                         --signal|-s)
  65                                 _signals
  66                                 return
  67                         ;;
  68                         --kill-who)
  69                                 comps='all leader'
  70                         ;;
  71                         --host|-H)
  72                                 comps=$(compgen -A hostname)
  73                         ;;
  74                         --machine|-M)
  75                                 comps=$( __get_machines )
  76                         ;;
  77                         --property|-p)
  78                                 comps=''
  79                         ;;
  80                         --output|-o)
  81                                 comps='short short-full short-iso short-iso-precise short-precise short-monotonic short-unix verbose export json json-pretty json-sse cat'
  82                         ;;
  83                 esac
  84                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  85                 return 0
  86         fi
  87
  88         if [[ "$cur" = -* ]]; then
  89                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  90                 return 0
  91         fi
  92
  93         if [[ -z $verb ]]; then
  94                 comps=${VERBS[*]}
  95
  96         elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
  97                 comps=''
  98
  99         elif __contains_word "$verb" ${VERBS[MACHINES]}; then
 100                 comps=$( __get_machines )
 101
 102         elif __contains_word "$verb" ${VERBS[FILE]}; then
 103                 comps=$(compgen -f -- "cur")
 104                 compopt -o filenames
 105         fi
 106
 107         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 108         return 0
 109 }
 110
 111 complete -F _machinectl machinectl