/usr/share/bash-completion/completions/nsenter is in util-linux 2.31.1-0.4ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | _nsenter_module()
{
local cur prev OPTS
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
case $prev in
'-S'|'--uid')
COMPREPLY=( $(compgen -W "uid" -- $cur) )
return 0
;;
'-G'|'--gid')
COMPREPLY=( $(compgen -W "gid" -- $cur) )
return 0
;;
'-t'|'--target')
local PIDS
PIDS=$(cd /proc && echo [0-9]*)
COMPREPLY=( $(compgen -W "$PIDS" -- $cur) )
return 0
;;
'-h'|'--help'|'-V'|'--version')
return 0
;;
esac
case $cur in
'=')
# FIXME: --root and --wd should use get only
# directories as compgen output. If $cur is
# overwrote the same way as below in case segment
# for $prev the command-line will get mangled.
cur=${cur#=}
;;
-*)
OPTS="
--all
--target
--mount=
--uts=
--ipc=
--net=
--pid=
--cgroup=
--user=
--setuid
--setgid
--preserve-credentials
--root=
--wd=
--no-fork
--help
--version
"
COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
return 0
;;
esac
local IFS=$'\n'
compopt -o filenames
COMPREPLY=( $(compgen -f -- $cur) )
return 0
}
complete -F _nsenter_module nsenter
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