shell-completion/bash/systemd-nspawn

   1 # systemd-nspawn(1) completion                  -*- shell-script -*-
   2 #
   3 # This file is part of systemd.
   4 #
   5 # Copyright 2014 Thomas H.P. Andersen
   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_users() {
  28         local a b
  29         loginctl list-users --no-legend --no-pager | { while read a b; do echo " $b"; done; };
  30 }
  31
  32 __get_slices() {
  33         local a b
  34         systemctl list-units -t slice --no-legend --no-pager | { while read a b; do echo " $a"; done; };
  35 }
  36
  37 _systemd_nspawn() {
  38         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  39         local i verb comps
  40
  41         local -A OPTS=(
  42                [STANDALONE]='-h --help --version --private-network -b --boot --read-only -q --quiet --share-system --keep-unit --network-veth -j'
  43                       [ARG]='-D --directory -u --user --uuid --capability --drop-capability --link-journal --bind --bind-ro -M --machine
  44                              -S --slice --setenv -Z --selinux-context -L --selinux-apifs-context --register --network-interface --network-bridge
  45                              --personality -i --image'
  46         )
  47
  48         _init_completion || return
  49
  50         if __contains_word "$prev" ${OPTS[ARG]}; then
  51                 case $prev in
  52                         --directory|-D)
  53                                 comps=$(compgen -A directory -- "$cur" )
  54                         ;;
  55                         --user|-u)
  56                                 comps=$( __get_users )
  57                         ;;
  58                         --uuid)
  59                                 comps=''
  60                         ;;
  61                         --capability)
  62                                 comps='CAP_BLOCK_SUSPEND CAP_IPC_LOCK CAP_MAC_ADMIN CAP_MAC_OVERRIDE CAP_SYS_MODULE CAP_SYS_PACCT CAP_SYS_RAWIO
  63                                        CAP_SYS_TIME CAP_SYSLOG CAP_WAKE_ALARM CAP_NET_ADMIN'
  64                         ;;
  65                         --drop-capability)
  66                                 comps='CAP_AUDIT_CONTROL CAP_AUDIT_WRITE CAP_CHOWN CAP_DAC_OVERRIDE CAP_DAC_READ_SEARCH CAP_FOWNER CAP_FSETID
  67                                        CAP_IPC_OWNER CAP_KILL CAP_LEASE CAP_LINUX_IMMUTABLE CAP_MKNOD CAP_NET_ADMIN CAP_NET_BIND_SERVICE
  68                                        CAP_NET_BROADCAST CAP_NET_RAW CAP_SETFCAP CAP_SETGID CAP_SETPCAP CAP_SETUID CAP_SYS_ADMIN CAP_SYS_BOOT
  69                                        CAP_SYS_CHROOT CAP_SYS_NICE CAP_SYS_PTRACE CAP_SYS_RESOURCE CAP_SYS_TTY_CONFIG'
  70                         ;;
  71                         --link-journal)
  72                                 comps='no auto guest host'
  73                         ;;
  74                         --bind|--bind-ro)
  75                                 comps=''
  76                         ;;
  77                         --machine|-M)
  78                                 comps=''
  79                         ;;
  80                         --slice|-S)
  81                                 comps=$( __get_slices )
  82                         ;;
  83                         --setenv)
  84                                 comps=''
  85                         ;;
  86                         --selinux-context|-Z)
  87                                 comps=''
  88                         ;;
  89                         --selinux-apifs-context|-L)
  90                                 comps=''
  91                         ;;
  92                         --register)
  93                                 comps='yes no'
  94                         ;;
  95                         --network-interface)
  96                                 comps=''
  97                         ;;
  98                         --network-bridge)
  99                                 comps=''
 100                         ;;
 101                         --personality)
 102                                 comps='x86 x86-64'
 103                         ;;
 104                         --image|-i)
 105                                 comps=$( compgen -A file -- "$cur" )
 106                         ;;
 107                 esac
 108                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 109                 return 0
 110         fi
 111
 112         COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
 113 }
 114
 115 complete -F _systemd_nspawn systemd-nspawn