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 " ${a%%=*}"; done; };
  45 }
  46
  47 __get_interfaces(){
  48         { cd /sys/class/net && echo *; } | \
  49         while read -d' ' -r name; do
  50                 [[ "$name" != "lo" ]] && echo "$name"
  51         done
  52 }
  53
  54 _systemd_nspawn() {
  55         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  56         local i verb comps
  57
  58         local -A OPTS=(
  59                [STANDALONE]='-h --help --version --private-network -b --boot --read-only -q --quiet --share-system --keep-unit --network-veth -j'
  60                       [ARG]='-D --directory -u --user --uuid --capability --drop-capability --link-journal --bind --bind-ro -M --machine
  61                              -S --slice --setenv -Z --selinux-context -L --selinux-apifs-context --register --network-interface --network-bridge
  62                              --personality -i --image --tmpfs --volatile
  63                              --network-macvlan --kill-signal --template
  64                              --notify-ready'
  65         )
  66
  67         _init_completion || return
  68
  69         if __contains_word "$prev" ${OPTS[ARG]}; then
  70                 case $prev in
  71                         --directory|-D|--template)
  72                                 compopt -o nospace
  73                                 comps=$(compgen -S/ -A directory -- "$cur" )
  74                         ;;
  75                         --user|-u)
  76                                 comps=$( __get_users )
  77                         ;;
  78                         --uuid)
  79                                 comps=''
  80                         ;;
  81                         --capability)
  82                                 comps='CAP_BLOCK_SUSPEND CAP_IPC_LOCK CAP_MAC_ADMIN CAP_MAC_OVERRIDE CAP_SYS_MODULE CAP_SYS_PACCT CAP_SYS_RAWIO
  83                                        CAP_SYS_TIME CAP_SYSLOG CAP_WAKE_ALARM CAP_NET_ADMIN'
  84                         ;;
  85                         --drop-capability)
  86                                 comps='CAP_AUDIT_CONTROL CAP_AUDIT_WRITE CAP_CHOWN CAP_DAC_OVERRIDE CAP_DAC_READ_SEARCH CAP_FOWNER CAP_FSETID
  87                                        CAP_IPC_OWNER CAP_KILL CAP_LEASE CAP_LINUX_IMMUTABLE CAP_MKNOD CAP_NET_ADMIN CAP_NET_BIND_SERVICE
  88                                        CAP_NET_BROADCAST CAP_NET_RAW CAP_SETFCAP CAP_SETGID CAP_SETPCAP CAP_SETUID CAP_SYS_ADMIN CAP_SYS_BOOT
  89                                        CAP_SYS_CHROOT CAP_SYS_NICE CAP_SYS_PTRACE CAP_SYS_RESOURCE CAP_SYS_TTY_CONFIG'
  90                         ;;
  91                         --link-journal)
  92                                 comps='no auto guest try-guest host try-host'
  93                         ;;
  94                         --bind|--bind-ro)
  95                                 compopt -o nospace
  96                                 comps=$(compgen -S/ -A directory -- "$cur" )
  97                         ;;
  98                         --tmpfs)
  99                                 compopt -o nospace
 100                                 comps=$(compgen -S/ -A directory -- "$cur" )
 101                         ;;
 102                         --machine|-M)
 103                                 comps=$( __get_machines )
 104                         ;;
 105                         --slice|-S)
 106                                 comps=$( __get_slices )
 107                         ;;
 108                         --setenv)
 109                                 comps=$( __get_env )
 110                         ;;
 111                         --selinux-context|-Z)
 112                                 comps=''
 113                         ;;
 114                         --selinux-apifs-context|-L)
 115                                 comps=''
 116                         ;;
 117                         --register)
 118                                 comps='yes no'
 119                         ;;
 120                         --network-interface)
 121                                 comps=$(__get_interfaces)
 122                         ;;
 123                         --network-bridge)
 124                                 comps=''
 125                         ;;
 126                         --network-macvlan)
 127                                 comps=''
 128                         ;;
 129                         --personality)
 130                                 comps='x86 x86-64'
 131                         ;;
 132                         --volatile)
 133                                 comps='yes state no'
 134                         ;;
 135                         --image|-i)
 136                                 compopt -o nospace
 137                                 comps=$( compgen -A file -- "$cur" )
 138                         ;;
 139                         --kill-signal)
 140                                 _signals
 141                                 return
 142                         ;;
 143                         --notify-ready)
 144                                 comps='yes no'
 145                                 return
 146                         ;;
 147                 esac
 148                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 149                 return 0
 150         fi
 151
 152         COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
 153 }
 154
 155 complete -F _systemd_nspawn systemd-nspawn