/usr/share/bash-completion/completions/swapon is in mount 2.25.2-6.
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 | _swapon_module()
{
local cur prev OPTS
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
case $prev in
'-p'|'--priority')
# Priority range is -1 to 32767. Perhaps these
# few are enough.
COMPREPLY=( $(compgen -W "{-1..9} 32767" -- $cur) )
return 0
;;
'--show')
# FIXME: how to append to a string with compgen?
local OUTPUT
OUTPUT="NAME TYPE SIZE USED PRIO"
compopt -o nospace
COMPREPLY=( $(compgen -W "$OUTPUT" -S ',' -- $cur) )
return 0
;;
'-U')
local UUIDS
UUIDS="$(lsblk -nrp -o FSTYPE,UUID | awk '$1 ~ /swap/ { print $2 }')"
COMPREPLY=( $(compgen -W "$UUIDS" -- $cur) )
return 0
;;
'-L')
local LABELS
LABELS="$(lsblk -nrp -o FSTYPE,LABEL | awk '$1 ~ /swap/ { print $2 }')"
COMPREPLY=( $(compgen -W "$LABELS" -- $cur) )
return 0
;;
'-h'|'--help'|'-V'|'--version')
return 0
;;
esac
case $cur in
-*)
OPTS="--all
--discard
--ifexists
--fixpgsz
--priority
--summary
--show
--noheadings
--raw
--bytes
--verbose
--help
--version"
COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
return 0
;;
esac
local DEVS
DEVS="$(lsblk -nrp -o FSTYPE,NAME | awk '$1 ~ /swap/ { print $2 }')"
COMPREPLY=( $(compgen -W "$DEVS" -- $cur) )
return 0
}
complete -F _swapon_module swapon
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