/usr/share/bash-completion/completions/nsenter is in util-linux 2.27.1-6ubuntu3.
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 | _nsenter_module()
{
local cur prev OPTS
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
case $prev in
'-t'|'--target')
local PIDS
PIDS=$(for I in /proc/[0-9]*; do echo ${I##"/proc/"}; done)
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="--target
--mount=
--uts=
--ipc=
--net=
--pid=
--user=
--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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