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 __get_machines() {
  38         local a b
  39         machinectl list --no-legend --no-pager | { while read a b; do echo " $a"; done; };
  40 }
  41
  42 __get_env() {
  43         local a
  44         env | { while read a; do echo " ${a%%=*}"; done; };
  45 }
  46
  47 __get_interfaces(){
  48     cut -f 1 -d ' ' /proc/net/dev | tail -n +3 | tr -s '\n' | tr -d ':' | xargs
  49 }
  50
  51 _systemd_nspawn() {
  52         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  53         local i verb comps
  54
  55         local -A OPTS=(
  56                [STANDALONE]='-h --help --version --private-network -b --boot --read-only -q --quiet --share-system --keep-unit --network-veth -j'
  57                       [ARG]='-D --directory -u --user --uuid --capability --drop-capability --link-journal --bind --bind-ro -M --machine
  58                              -S --slice --setenv -Z --selinux-context -L --selinux-apifs-context --register --network-interface --network-bridge
  59                              --personality -i --image --tmpfs --volatile
  60                              --network-macvlan'
  61         )
  62
  63         _init_completion || return
  64
  65         if __contains_word "$prev" ${OPTS[ARG]}; then
  66                 case $prev in
  67                         --directory|-D)
  68                                 compopt -o nospace
  69                                 comps=$(compgen -S/ -A directory -- "$cur" )
  70                         ;;
  71                         --user|-u)
  72                                 comps=$( __get_users )
  73                         ;;
  74                         --uuid)
  75                                 comps=''
  76                         ;;
  77                         --capability)
  78                                 comps='CAP_BLOCK_SUSPEND CAP_IPC_LOCK CAP_MAC_ADMIN CAP_MAC_OVERRIDE CAP_SYS_MODULE CAP_SYS_PACCT CAP_SYS_RAWIO
  79                                        CAP_SYS_TIME CAP_SYSLOG CAP_WAKE_ALARM CAP_NET_ADMIN'
  80                         ;;
  81                         --drop-capability)
  82                                 comps='CAP_AUDIT_CONTROL CAP_AUDIT_WRITE CAP_CHOWN CAP_DAC_OVERRIDE CAP_DAC_READ_SEARCH CAP_FOWNER CAP_FSETID
  83                                        CAP_IPC_OWNER CAP_KILL CAP_LEASE CAP_LINUX_IMMUTABLE CAP_MKNOD CAP_NET_ADMIN CAP_NET_BIND_SERVICE
  84                                        CAP_NET_BROADCAST CAP_NET_RAW CAP_SETFCAP CAP_SETGID CAP_SETPCAP CAP_SETUID CAP_SYS_ADMIN CAP_SYS_BOOT
  85                                        CAP_SYS_CHROOT CAP_SYS_NICE CAP_SYS_PTRACE CAP_SYS_RESOURCE CAP_SYS_TTY_CONFIG'
  86                         ;;
  87                         --link-journal)
  88                                 comps='no auto guest host'
  89                         ;;
  90                         --bind|--bind-ro)
  91                                 compopt -o nospace
  92                                 comps=$(compgen -S/ -A directory -- "$cur" )
  93                         ;;
  94                         --tmpfs)
  95                                 compopt -o nospace
  96                                 comps=$(compgen -S/ -A directory -- "$cur" )
  97                         ;;
  98                         --machine|-M)
  99                                 comps=$( __get_machines )
 100                         ;;
 101                         --slice|-S)
 102                                 comps=$( __get_slices )
 103                         ;;
 104                         --setenv)
 105                                 comps=$( __get_env )
 106                         ;;
 107                         --selinux-context|-Z)
 108                                 comps=''
 109                         ;;
 110                         --selinux-apifs-context|-L)
 111                                 comps=''
 112                         ;;
 113                         --register)
 114                                 comps='yes no'
 115                         ;;
 116                         --network-interface)
 117                                 comps=$(__get_interfaces)
 118                         ;;
 119                         --network-bridge)
 120                                 comps=''
 121                         ;;
 122                         --network-macvlan)
 123                                 comps=''
 124                         ;;
 125                         --personality)
 126                                 comps='x86 x86-64'
 127                         ;;
 128                         --volatile)
 129                                 comps='yes state no'
 130                         ;;
 131                         --image|-i)
 132                                 compopt -o nospace
 133                                 comps=$( compgen -A file -- "$cur" )
 134                         ;;
 135                 esac
 136                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 137                 return 0
 138         fi
 139
 140         COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
 141 }
 142
 143 complete -F _systemd_nspawn systemd-nspawn