shell-completion/bash/homectl

   1 # shellcheck shell=bash
   2 # homectl(1) completion                               -*- shell-script -*-
   3 # SPDX-License-Identifier: LGPL-2.1-or-later
   4 #
   5 # This file is part of systemd.
   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 <https://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 --full --no-legend --no-pager 2>/dev/null |
  30         { while read a b; do echo " $a"; done; };
  31 }
  32
  33 __get_homes() {
  34     homectl --no-pager --no-legend list 2>/dev/null
  35 }
  36
  37 _homectl() {
  38     local i verb comps
  39     local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  40
  41     local -A OPTS=(
  42         [STANDALONE]='-h --help --version
  43                      --no-pager --no-legend --no-ask-password
  44                      -j -E -P -A -N -T'
  45         [ARG]='      -H --host
  46                      -M --machine
  47                         --identity
  48                         --json
  49                         --export-format
  50                      -c --real-name
  51                         --realm
  52                         --email-address
  53                         --location
  54                         --icon-name
  55                      -d --home-dir
  56                         --uid
  57                      -G --member-of
  58                         --skel
  59                         --shell
  60                         --setenv
  61                         --timezone
  62                         --language
  63                         --ssh-authorized-keys
  64                         --pkcs11-token-uri
  65                         --locked
  66                         --not-before
  67                         --not-after
  68                         --rate-limit-interval
  69                         --rate-limit-burst
  70                         --password-hint
  71                         --enforce-password-policy
  72                         --password-change-now
  73                         --password-change-min
  74                         --password-change-max
  75                         --password-change-warn
  76                         --password-change-inactive
  77                         --disk-size
  78                         --access-mode
  79                         --umask
  80                         --nice
  81                         --rlimit
  82                         --tasks-max
  83                         --memory-high
  84                         --memory-max
  85                         --cpu-weight
  86                         --io-weight
  87                         --storage
  88                         --image-path
  89                         --fs-type
  90                         --luks-discard
  91                         --luks-offline-discard
  92                         --luks-cipher
  93                         --luks-cipher-mode
  94                         --luks-volume-key-size
  95                         --luks-pbkdf-type
  96                         --luks-pbkdf-hash-algorithm
  97                         --luks-pbkdf-force-iterations
  98                         --luks-pbkdf-time-cost
  99                         --luks-pbkdf-memory-cost
 100                         --luks-pbkdf-parallel-threads
 101                         --luks-sector-size
 102                         --nosuid
 103                         --nodev
 104                         --noexec
 105                         --cifs-domain
 106                         --cifs-user-name
 107                         --cifs-service
 108                         --stop-delay
 109                         --kill-processes
 110                         --auto-login
 111                      -b --blob
 112                         --avatar
 113                         --login-background
 114                         --session-launcher
 115                         --session-type
 116                         --key-name
 117                         --seize
 118                         --match'
 119     )
 120
 121     if __contains_word "$prev" ${OPTS[ARG]}; then
 122         case $prev in
 123             --host|-H)
 124                 comps=$(compgen -A hostname)
 125                 ;;
 126             --machine|-M)
 127                 comps=$( __get_machines )
 128                 ;;
 129             --identity|--image-path|--avatar|--login-background)
 130                 comps=$(compgen -A file -- "$cur" )
 131                 compopt -o filenames
 132                 ;;
 133             --json)
 134                 comps='pretty short off'
 135                 ;;
 136             --export-format)
 137                 comps='full stripped minimal'
 138                 ;;
 139             --locked|--enforce-password-policy|--password-change-now|--luks-discard|--luks-offline-discard|--nosuid|--nodev|--noexec|--kill-processes|--auto-login)
 140                 comps='yes no'
 141                 ;;
 142             -d|--home-dir|--skel|-b|--blob)
 143                 comps=$(compgen -A directory -- "$cur" )
 144                 compopt -o dirnames
 145                 ;;
 146             -G|--member-of)
 147                 comps=$(compgen -A group -- "$cur" )
 148                 ;;
 149             --shell)
 150                 comps=$(cat /etc/shells)
 151                 ;;
 152             --fs-type)
 153                 comps='btrfs ext4 xfs'
 154                 ;;
 155             --cifs-user-name)
 156                 comps=$(compgen -A user -- "$cur" )
 157                 ;;
 158             --language)
 159                 comps=$(localectl list-locales 2>/dev/null)
 160                 ;;
 161             --session-launcher)
 162                 comps=$(find /usr/share/{x,wayland-}sessions/ -type f -name '*.desktop' -exec basename {} .desktop \; 2>/dev/null | sort -u)
 163                 ;;
 164             --session-type)
 165                 comps='wayland x11 tty'
 166                 ;;
 167         esac
 168         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 169         return 0
 170     fi
 171
 172     if [[ "$cur" = -* ]]; then
 173         COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
 174         return 0
 175     fi
 176
 177     local -A VERBS=(
 178         [STANDALONE]='list lock-all register unregister adopt'
 179         [CREATE]='create'
 180         [NAMES]='activate deactivate inspect authenticate remove lock unlock'
 181         [NAME]='update passwd'
 182         [RESIZE]='resize'
 183         [WITH]='with'
 184     )
 185
 186     for ((i=0; i < COMP_CWORD; i++)); do
 187         if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
 188             verb=${COMP_WORDS[i]}
 189             break
 190         fi
 191     done
 192
 193     if [[ -z ${verb-} ]]; then
 194         comps=${VERBS[*]}
 195     elif __contains_word "$verb" ${VERBS[NAME]}; then
 196         comps=$(__get_homes)
 197     elif __contains_word "$verb" ${VERBS[NAMES]}; then
 198         comps=$(__get_homes)
 199     elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[CREATE]} ${VERBS[RESIZE]}; then
 200         comps=$(__get_homes)
 201     elif __contains_word "$verb" ${VERBS[WITH]}; then
 202         comps=$(__get_homes)
 203     fi
 204
 205     COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 206     return 0
 207 }
 208
 209 complete -F _homectl homectl