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 # systemd is free software; you can redistribute it and/or modify it
   7 # under the terms of the GNU Lesser General Public License as published by
   8 # the Free Software Foundation; either version 2.1 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # systemd is distributed in the hope that it will be useful, but
  12 # WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14 # General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU Lesser General Public License
  17 # along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18
  19 __contains_word() {
  20     local w word=$1; shift
  21     for w in "$@"; do
  22         [[ $w = "$word" ]] && return
  23     done
  24 }
  25
  26 __get_machines() {
  27     local a b
  28     (machinectl list-images --no-legend --no-pager; machinectl list --no-legend --no-pager; echo ".host") | \
  29         { while read a b; do echo " $a"; done; } | sort -u;
  30 }
  31
  32 _machinectl() {
  33     local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  34     local i verb comps
  35
  36     local -A OPTS=(
  37         [STANDALONE]='--all -a -l --full --help -h --no-ask-password --no-legend --no-pager --version --value
  38                       --mkdir --read-only --force -q --quiet'
  39         [ARG]='--host -H --kill-who -M --machine --property -p --signal -s --uid -E --setenv -n --lines
  40                       -o --output --verify --format --max-addresses'
  41     )
  42
  43     local -A VERBS=(
  44         [STANDALONE]='list list-images clean pull-tar pull-raw list-transfers cancel-transfer import-fs'
  45         [MACHINES]='status show start stop login shell enable disable poweroff reboot terminate kill bind
  46                     copy-to copy-from image-status show-image clone rename read-only remove set-limit
  47                     export-tar export-raw'
  48         [FILE]='import-tar import-raw'
  49     )
  50
  51     _init_completion || return
  52
  53     for ((i=0; i <= COMP_CWORD; i++)); do
  54         if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
  55                 ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
  56             verb=${COMP_WORDS[i]}
  57             break
  58         fi
  59     done
  60
  61     if __contains_word "$prev" ${OPTS[ARG]}; then
  62         case $prev in
  63             --signal|-s)
  64                 _signals
  65                 return
  66                 ;;
  67             --kill-who)
  68                 comps='all leader'
  69                 ;;
  70             --host|-H)
  71                 comps=$(compgen -A hostname)
  72                 ;;
  73             --machine|-M)
  74                 comps=$( __get_machines )
  75                 ;;
  76             --property|-p)
  77                 comps=''
  78                 ;;
  79             --output|-o)
  80                 comps=$( machinectl --output=help 2>/dev/null )
  81                 ;;
  82             --verify)
  83                 comps=$( machinectl --verify=help 2>/dev/null )
  84                 ;;
  85             --format)
  86                 comps='uncompressed xz gzip bzip2'
  87                 ;;
  88         esac
  89         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  90         return 0
  91     fi
  92
  93     if [[ "$cur" = -* ]]; then
  94         COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  95         return 0
  96     fi
  97
  98     if [[ -z $verb ]]; then
  99         comps=${VERBS[*]}
 100
 101     elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
 102         comps=''
 103
 104     elif __contains_word "$verb" ${VERBS[MACHINES]}; then
 105         comps=$( __get_machines )
 106
 107     elif __contains_word "$verb" ${VERBS[FILE]}; then
 108         comps=$(compgen -f -- "cur")
 109         compopt -o filenames
 110     fi
 111
 112     COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 113     return 0
 114 }
 115
 116 complete -F _machinectl machinectl