/usr/share/bash-completion/completions/dmesg 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 | _dmesg_module()
{
local cur prev OPTS
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
case $prev in
'-F'|'--file')
local IFS=$'\n'
compopt -o filenames
COMPREPLY=( $(compgen -f -- $cur) )
return 0
;;
'-f'|'--facility')
COMPREPLY=( $(compgen -W "kern user mail daemon auth syslog lpr news" -- $cur) )
return 0
;;
'-l'|'--level'|'-n'|'--console-level')
COMPREPLY=( $(compgen -W "emerg alert crit err warn notice info debug" -- $cur) )
return 0
;;
'-s'|'--buffer-size')
COMPREPLY=( $(compgen -W "size" -- $cur) )
return 0
;;
'--time-format')
COMPREPLY=( $(compgen -W "delta reltime ctime notime iso" -- $cur) )
return 0
;;
'-h'|'--help'|'-V'|'--version')
return 0
;;
esac
OPTS="--clear
--read-clear
--console-off
--show-delta
--reltime
--console-on
--file
--facility
--human
--kernel
--color
--level
--console-level
--nopager
--raw
--syslog
--buffer-size
--ctime
--notime
--time-format
--userspace
--follow
--decode
--help
--version"
COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
return 0
}
complete -F _dmesg_module dmesg
|