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#
# Ceph - scalable distributed file system
#
# Copyright (C) 2011 Wido den Hollander <wido@widodh.nl>
#
# This is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License version 2.1, as published by the Free Software
# Foundation. See file COPYING.
#
_rbd_commands="" # lazy init
_rbd_global_options="" # lazy init
_rbd()
{
if [ "x${_rbd_commands}" == "x" ]; then
local rbc="$(rbd bash-completion 2>/dev/null)"
_rbd_commands="$(echo ${rbc} | sed -e 's/|-[^|]*//g' -e 's/||*/|/g')"
_rbd_global_options="$(echo ${rbc} | sed -e 's/|[^-][^\|]*//g' -e 's/||*/|/g')"
fi
COMPREPLY=()
local arg_count=${#COMP_WORDS[@]}
local args=()
local help_request="false"
for (( i=1; i<arg_count; i++ )); do
word="${COMP_WORDS[i]}"
if [[ "x${word}" == "xhelp" && ${#args} == 0 ]]; then
# treat help request as a special case
help_request="true"
continue
elif [[ $(echo ${_rbd_global_options} | grep "|${word}|") ]]; then
# skip flag option
continue
elif [[ "x${word:0:1}" == "x-" ]]; then
# skip option with argument
let i=$i+1
continue
elif [[ "x${word}" == "x" ]]; then
# skip blank arguments
continue
fi
args+=("${word}")
done
local cur="${COMP_WORDS[COMP_CWORD]}"
local prev="${COMP_WORDS[COMP_CWORD-1]}"
local options_exp=${_rbd_global_options}
local command="${args[@]}"
local valid_command="false"
if [[ ${#args} != 0 && "${args[-1]}" != "${cur}" &&
$(echo "${_rbd_commands}" | grep -c "|${command}|") == 1 ]]; then
# combine global and command-specific options
local rbd_command_options="$(rbd bash-completion ${args[@]} 2>/dev/null)"
options_exp="${options_exp} ${rbd_command_options}"
valid_command="true"
fi
if [[ "x${cur}" == "xhelp" ]]; then
COMPREPLY=()
elif [[ "${options_exp}}" =~ "|${prev} path|" ]]; then
# perform path completion for path argument
COMPREPLY=($(compgen -f ${cur}))
elif [[ "${options_exp}}" =~ "|${prev} host|" ]]; then
# perform host completion for host argument
COMPREPLY=($(compgen -A hostname ${cur}))
elif [[ "${help_request}" == "false" && ( "x${cur:0:1}" == "x-" ||
( "x${cur}" == "x" && "${valid_command}" == "true" ) ) ]]; then
# all valid options for current command
options="$(echo ${options_exp} | sed -e 's/||*/ /g' -r -e 's/ (arg|path|host)//g')"
COMPREPLY=($(compgen -W "${options}" -- ${cur}))
elif [[ "${valid_command}" == "false" ]]; then
# search for valid command
[[ "x${command}" != "x" && "x${cur}" == "x" ]] && command="${command} "
COMPREPLY=($(echo ${_rbd_commands} | grep -o "|${command}[^ |]*" | \
uniq | sed -e 's/|//g' | awk -F' ' '{print $(NF)}'))
fi
}
complete -F _rbd rbd
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