shell-completion/bash/localectl

   1 # shellcheck shell=bash
   2 # localectl(1) completion                                 -*- shell-script -*-
   3 # SPDX-License-Identifier: LGPL-2.1-or-later
   4 #
   5 # This file is part of systemd.
   6 #
   7 # Copyright © 2010 Ran Benita
   8 #
   9 # systemd is free software; you can redistribute it and/or modify it
  10 # under the terms of the GNU Lesser General Public License as published by
  11 # the Free Software Foundation; either version 2.1 of the License, or
  12 # (at your option) any later version.
  13 #
  14 # systemd is distributed in the hope that it will be useful, but
  15 # WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17 # General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU Lesser General Public License
  20 # along with systemd; If not, see <https://www.gnu.org/licenses/>.
  21
  22 __contains_word () {
  23     local w word=$1; shift
  24     for w in "$@"; do
  25         [[ $w = "$word" ]] && return
  26     done
  27 }
  28
  29 __locale_fields=( LANG LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME
  30                   LC_COLLATE LC_MONETARY LC_MESSAGES LC_PAPER
  31                   LC_NAME LC_ADDRESS LC_TELEPHONE
  32                   LC_MEASUREMENT LC_IDENTIFICATION )
  33 # LC_ALL is omitted on purpose
  34
  35 _localectl() {
  36     local i verb comps locale_vals
  37     local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  38     local OPTS='-h --help --version --no-convert --no-pager --no-ask-password
  39                     -H --host -M --machine'
  40
  41     if __contains_word "$prev" $OPTS; then
  42         case $prev in
  43             --host|-H)
  44                 comps=''
  45                 ;;
  46         esac
  47         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  48         return 0
  49     fi
  50
  51     if [[ $cur = -* ]]; then
  52         COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  53         return 0
  54     fi
  55
  56     local -A VERBS=(
  57         [STANDALONE]='status list-locales list-keymaps list-x11-keymap-models list-x11-keymap-layouts list-x11-keymap-options'
  58         [VARIANTS]='list-x11-keymap-variants'
  59         [LOCALES]='set-locale'
  60         [KEYMAPS]='set-keymap'
  61         [X11]='set-x11-keymap'
  62     )
  63
  64     for ((i=0; i < COMP_CWORD; i++)); do
  65         if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
  66             verb=${COMP_WORDS[i]}
  67             break
  68         fi
  69     done
  70
  71     if [[ -z ${verb-} ]]; then
  72         comps=${VERBS[*]}
  73     elif __contains_word "$verb" ${VERBS[VARIANTS]}; then
  74         comps=$(command localectl list-x11-keymap-layouts)
  75     elif __contains_word "$verb" ${VERBS[LOCALES]}; then
  76         if [[ $cur = *=* ]]; then
  77             mapfile -t locale_vals < <(command localectl list-locales 2>/dev/null)
  78             COMPREPLY=( $(compgen -W '${locale_vals[*]}' -- "${cur#=}") )
  79         elif [[ $prev = "=" ]]; then
  80             mapfile -t locale_vals < <(command localectl list-locales 2>/dev/null)
  81             COMPREPLY=( $(compgen -W '${locale_vals[*]}' -- "$cur") )
  82         else
  83             compopt -o nospace
  84             COMPREPLY=( $(compgen -W '${__locale_fields[*]}' -S= -- "$cur") )
  85         fi
  86         return 0
  87     elif __contains_word "$verb" ${VERBS[KEYMAPS]}; then
  88         comps=$(command localectl list-keymaps)
  89     elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[X11]}; then
  90         comps=''
  91     fi
  92
  93     COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  94     return 0
  95 }
  96
  97 complete -F _localectl localectl