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 #
   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 __get_machines() {
  28         local a b
  29         (machinectl list-images --no-legend --no-pager; machinectl list --no-legend --no-pager; echo ".host") | \
  30                 { while read a b; do echo " $a"; done; } | sort -u;
  31 }
  32
  33 _machinectl() {
  34         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  35         local i verb comps
  36
  37         local -A OPTS=(
  38                [STANDALONE]='--all -a -l --full --help -h --no-ask-password --no-legend --no-pager --version --value
  39                              --mkdir --read-only --force -q --quiet'
  40                       [ARG]='--host -H --kill-who -M --machine --property -p --signal -s --uid -E --setenv -n --lines
  41                              -o --output --verify --format --max-addresses'
  42         )
  43
  44         local -A VERBS=(
  45                [STANDALONE]='list list-images clean pull-tar pull-raw list-transfers cancel-transfer import-fs'
  46                  [MACHINES]='status show start stop login shell enable disable poweroff reboot terminate kill bind copy-to copy-from
  47                              image-status show-image clone rename read-only remove set-limit export-tar export-raw'
  48                      [FILE]='import-tar import-raw'
  49         )
  50
  51         _init_completion || return
  52
  53         for ((i=0; i <= COMP_CWORD; i++)); do
  54                 if __contains_word "${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