shell-completion/bash/localectl

   1 # localectl(1) completion                                 -*- shell-script -*-
   2 #
   3 # This file is part of systemd.
   4 #
   5 # Copyright 2010 Ran Benita
   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 __locale_fields=( LANG LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME \
  28                   LC_COLLATE LC_MONETARY LC_MESSAGES LC_PAPER \
  29                   LC_NAME LC_ADDRESS LC_TELEPHONE \
  30                   LC_MEASUREMENT LC_IDENTIFICATION )
  31 # LC_ALL is omitted on purpose
  32
  33 _localectl() {
  34         local i verb comps locale_vals
  35         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  36         local OPTS='-h --help --version --no-convert --no-pager --no-ask-password
  37                     -H --host'
  38
  39         if __contains_word "$prev" $OPTS; then
  40                 case $prev in
  41                         --host|-H)
  42                                 comps=''
  43                         ;;
  44                 esac
  45                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  46                 return 0
  47         fi
  48
  49         if [[ $cur = -* ]]; then
  50                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  51                 return 0
  52         fi
  53
  54         local -A VERBS=(
  55                [STANDALONE]='status list-locales list-keymaps'
  56                   [LOCALES]='set-locale'
  57                   [KEYMAPS]='set-keymap'
  58                       [X11]='set-x11-keymap'
  59         )
  60
  61         for ((i=0; i < COMP_CWORD; i++)); do
  62                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
  63                         verb=${COMP_WORDS[i]}
  64                         break
  65                 fi
  66         done
  67
  68         if [[ -z $verb ]]; then
  69                 comps=${VERBS[*]}
  70         elif __contains_word "$verb" ${VERBS[LOCALES]}; then
  71                 if [[ $cur = *=* ]]; then
  72                         mapfile -t locale_vals < <(command localectl list-locales 2>/dev/null)
  73                         COMPREPLY=( $(compgen -W '${locale_vals[*]}' -- "${cur#=}") )
  74                 elif [[ $prev = "=" ]]; then
  75                         mapfile -t locale_vals < <(command localectl list-locales 2>/dev/null)
  76                         COMPREPLY=( $(compgen -W '${locale_vals[*]}' -- "$cur") )
  77                 else
  78                         compopt -o nospace
  79                         COMPREPLY=( $(compgen -W '${__locale_fields[*]}' -S= -- "$cur") )
  80                 fi
  81                 return 0
  82         elif __contains_word "$verb" ${VERBS[KEYMAPS]}; then
  83                 comps=$(command localectl list-keymaps)
  84         elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[X11]}; then
  85                 comps=''
  86         fi
  87
  88         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  89         return 0
  90 }
  91
  92 complete -F _localectl localectl