shell-completion/bash/localectl

   1 # localectl(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 __locale_fields=( LANG LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME \
  29                   LC_COLLATE LC_MONETARY LC_MESSAGES LC_PAPER \
  30                   LC_NAME LC_ADDRESS LC_TELEPHONE \
  31                   LC_MEASUREMENT LC_IDENTIFICATION )
  32 # LC_ALL is omitted on purpose
  33
  34 _localectl() {
  35         local i verb comps locale_vals
  36         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  37         local OPTS='-h --help --version --no-convert --no-pager --no-ask-password
  38                     -H --host -M --machine'
  39
  40         if __contains_word "$prev" $OPTS; then
  41                 case $prev in
  42                         --host|-H)
  43                                 comps=''
  44                         ;;
  45                 esac
  46                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  47                 return 0
  48         fi
  49
  50         if [[ $cur = -* ]]; then
  51                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  52                 return 0
  53         fi
  54
  55         local -A VERBS=(
  56                 [STANDALONE]='status list-locales list-keymaps list-x11-keymap-models list-x11-keymap-layouts list-x11-keymap-options'
  57                   [VARIANTS]='list-x11-keymap-variants'
  58                    [LOCALES]='set-locale'
  59                    [KEYMAPS]='set-keymap'
  60                        [X11]='set-x11-keymap'
  61         )
  62
  63         for ((i=0; i < COMP_CWORD; i++)); do
  64                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
  65                         verb=${COMP_WORDS[i]}
  66                         break
  67                 fi
  68         done
  69
  70         if [[ -z $verb ]]; then
  71                 comps=${VERBS[*]}
  72         elif __contains_word "$verb" ${VERBS[VARIANTS]}; then
  73                 comps=$(command localectl list-x11-keymap-layouts)
  74         elif __contains_word "$verb" ${VERBS[LOCALES]}; then
  75                 if [[ $cur = *=* ]]; then
  76                         mapfile -t locale_vals < <(command localectl list-locales 2>/dev/null)
  77                         COMPREPLY=( $(compgen -W '${locale_vals[*]}' -- "${cur#=}") )
  78                 elif [[ $prev = "=" ]]; then
  79                         mapfile -t locale_vals < <(command localectl list-locales 2>/dev/null)
  80                         COMPREPLY=( $(compgen -W '${locale_vals[*]}' -- "$cur") )
  81                 else
  82                         compopt -o nospace
  83                         COMPREPLY=( $(compgen -W '${__locale_fields[*]}' -S= -- "$cur") )
  84                 fi
  85                 return 0
  86         elif __contains_word "$verb" ${VERBS[KEYMAPS]}; then
  87                 comps=$(command localectl list-keymaps)
  88         elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[X11]}; then
  89                 comps=''
  90         fi
  91
  92         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  93         return 0
  94 }
  95
  96 complete -F _localectl localectl