[edit: fixed the list address]
Attached a completion for cryptmount(8) [tested against 4.2]
I don't know about the current policy for completions but AFAICR
upstream support was privileged (but a review from bash-completion people won't
hurt).
# bash completion for cryptmount -*- shell-script -*-
_cryptmount_target()
{
cryptmount -l|awk '{print $1}'
}
_cryptmount()
{
local cur prev words cword split
_init_completion -s || return
case $prev in
--change-password|-c|--mount|-m|--unmount|-u|--prepare| \
--release|--reuse-key|-e|--list|-l)
COMPREPLY=( $( compgen -W '$( _cryptmount_target )' -- "$cur" ) )
return 0
;;
--config-fd|--passwd-fd)
COMPREPLY=( $( compgen -W '1 2' -- "$cur" ) )
return 0
;;
# depends on /proc/crypto but can't know correct values
# without parsing "keyformat" from /etc/cryptmount/cmtab
--generate-key)
COMPREPLY=( $( compgen -W '16 32 64 128 256' -- "$cur" ) )
return 0
;;
--key-managers|-k|--version|--all)
return 0
;;
esac
local arg pprev
_get_first_arg
if [[ -z $arg ]]; then
if [[ "$cur" == -* ]]; then
COMPREPLY=( $( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
else
COMPREPLY=( $( compgen -W '$( _cryptmount_target ) -' -- "$cur" ) )
fi
# Handle options that require two arguments.
elif [[ COMP_CWORD -gt 1 ]]; then
pprev="${COMP_WORDS[COMP_CWORD-2]}"
case "$pprev" in
--reuse-key)
COMPREPLY=( $( compgen -W '$( _cryptmount_target )' -X "$prev"
-- "$cur" ) )
;;
--generate-key)
COMPREPLY=( $( compgen -W '$( _cryptmount_target )' -- "$cur" )
)
;;
esac
fi
return 0
} &&
complete -F _cryptmount cryptmount
# ex: ts=4 sw=4 et filetype=sh
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