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# Copyright (c) 2013, Aneurin Price <aneurin.price@gmail.com>
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#if [[ -w /dev/zfs ]]; then
__ZFS_CMD="zfs"
__ZPOOL_CMD="zpool"
#else
# __ZFS_CMD="sudo zfs"
# __ZPOOL_CMD="sudo zpool"
#fi
__zfs_get_commands()
{
$__ZFS_CMD 2>&1 | awk '/^\t[a-z]/ {print $1}' | cut -f1 -d '|' | uniq
}
__zfs_get_properties()
{
$__ZFS_CMD get 2>&1 | awk '$2 == "YES" || $2 == "NO" {print $1}'; echo all name space
}
__zfs_get_editable_properties()
{
$__ZFS_CMD get 2>&1 | awk '$2 == "YES" {print $1"="}'
}
__zfs_get_inheritable_properties()
{
$__ZFS_CMD get 2>&1 | awk '$3 == "YES" {print $1}'
}
__zfs_list_datasets()
{
$__ZFS_CMD list -H -o name -t filesystem,volume
}
__zfs_list_filesystems()
{
$__ZFS_CMD list -H -o name -t filesystem
}
__zfs_match_snapshot()
{
local base_dataset=${cur%@*}
if [[ $base_dataset != $cur ]]
then
$__ZFS_CMD list -H -o name -t snapshot -d 1 $base_dataset
else
$__ZFS_CMD list -H -o name -t filesystem,volume | awk '{print $1"@"}'
fi
}
__zfs_match_explicit_snapshot()
{
local base_dataset=${cur%@*}
if [[ $base_dataset != $cur ]]
then
$__ZFS_CMD list -H -o name -t snapshot -d 1 $base_dataset
fi
}
__zfs_match_multiple_snapshots()
{
local existing_opts=$(expr "$cur" : '\(.*\)[%,]')
if [[ $existing_opts ]]
then
local base_dataset=${cur%@*}
if [[ $base_dataset != $cur ]]
then
local cur=${cur##*,}
if [[ $cur =~ ^%|%.*% ]]
then
# correct range syntax is start%end
return 1
fi
local range_start=$(expr "$cur" : '\(.*%\)')
$__ZFS_CMD list -H -o name -t snapshot -d 1 $base_dataset | sed 's$.*@$'$range_start'$g'
fi
else
__zfs_match_explicit_snapshot; __zfs_list_datasets
fi
}
__zfs_list_volumes()
{
$__ZFS_CMD list -H -o name -t volume
}
__zfs_argument_chosen()
{
local word property
for word in $(seq $((COMP_CWORD-1)) -1 2)
do
local prev="${COMP_WORDS[$word]}"
if [[ ${COMP_WORDS[$word-1]} != -[tos] ]]
then
if [[ "$prev" == [^,]*,* ]] || [[ "$prev" == *[@:]* ]]
then
return 0
fi
for property in $@
do
if [[ $prev == "$property" ]]
then
return 0
fi
done
fi
done
return 1
}
__zfs_complete_ordered_arguments()
{
local list1=$1
local list2=$2
local cur=$3
local extra=$4
if __zfs_argument_chosen $list1
then
COMPREPLY=($(compgen -W "$list2 $extra" -- "$cur"))
else
COMPREPLY=($(compgen -W "$list1 $extra" -- "$cur"))
fi
}
__zfs_complete_multiple_options()
{
local options=$1
local cur=$2
COMPREPLY=($(compgen -W "$options" -- "${cur##*,}"))
local existing_opts=$(expr "$cur" : '\(.*,\)')
if [[ $existing_opts ]]
then
COMPREPLY=( "${COMPREPLY[@]/#/${existing_opts}}" )
fi
}
__zfs_complete_switch()
{
local options=$1
if [[ ${cur:0:1} == - ]]
then
COMPREPLY=($(compgen -W "-{$options}" -- "$cur"))
return 0
else
return 1
fi
}
__zfs_complete()
{
local cur prev cmd cmds
COMPREPLY=()
# Don't split on colon
_get_comp_words_by_ref -n : -c cur -p prev -w COMP_WORDS -i COMP_CWORD
cmd="${COMP_WORDS[1]}"
if [[ ${prev##*/} == zfs ]]
then
cmds=$(__zfs_get_commands)
COMPREPLY=($(compgen -W "$cmds -?" -- "$cur"))
return 0
fi
case "${cmd}" in
clone)
case "${prev}" in
-o)
COMPREPLY=($(compgen -W "$(__zfs_get_editable_properties)" -- "$cur"))
;;
*)
if ! __zfs_complete_switch "o,p"
then
if __zfs_argument_chosen
then
COMPREPLY=($(compgen -W "$(__zfs_list_datasets)" -- "$cur"))
else
COMPREPLY=($(compgen -W "$(__zfs_match_snapshot)" -- "$cur"))
fi
fi
;;
esac
;;
get)
case "${prev}" in
-d)
COMPREPLY=($(compgen -W "" -- "$cur"))
;;
-t)
__zfs_complete_multiple_options "filesystem volume snapshot all" "$cur"
;;
-s)
__zfs_complete_multiple_options "local default inherited temporary none" "$cur"
;;
-o)
__zfs_complete_multiple_options "name property value source received all" "$cur"
;;
*)
if ! __zfs_complete_switch "H,r,p,d,o,t,s"
then
if __zfs_argument_chosen $(__zfs_get_properties)
then
COMPREPLY=($(compgen -W "$(__zfs_match_explicit_snapshot) $(__zfs_list_datasets)" -- "$cur"))
else
__zfs_complete_multiple_options "$(__zfs_get_properties)" "$cur"
fi
fi
;;
esac
;;
inherit)
if ! __zfs_complete_switch "r"
then
__zfs_complete_ordered_arguments "$(__zfs_get_inheritable_properties)" "$(__zfs_match_explicit_snapshot) $(__zfs_list_datasets)" $cur
fi
;;
list)
case "${prev}" in
-d)
COMPREPLY=($(compgen -W "" -- "$cur"))
;;
-t)
__zfs_complete_multiple_options "filesystem volume snapshot all" "$cur"
;;
-o)
__zfs_complete_multiple_options "$(__zfs_get_properties)" "$cur"
;;
-s|-S)
COMPREPLY=($(compgen -W "$(__zfs_get_properties)" -- "$cur"))
;;
*)
if ! __zfs_complete_switch "H,r,d,o,t,s,S"
then
COMPREPLY=($(compgen -W "$(__zfs_match_explicit_snapshot) $(__zfs_list_datasets)" -- "$cur"))
fi
;;
esac
;;
promote)
COMPREPLY=($(compgen -W "$(__zfs_list_filesystems)" -- "$cur"))
;;
rollback)
if ! __zfs_complete_switch "r,R,f"
then
COMPREPLY=($(compgen -W "$(__zfs_match_snapshot)" -- "$cur"))
fi
;;
send)
if ! __zfs_complete_switch "d,n,P,p,R,v,i,I"
then
COMPREPLY=($(compgen -W "$(__zfs_match_snapshot)" -- "$cur"))
fi
;;
snapshot)
case "${prev}" in
-o)
COMPREPLY=($(compgen -W "$(__zfs_get_editable_properties)" -- "$cur"))
;;
*)
if ! __zfs_complete_switch "o,r"
then
COMPREPLY=($(compgen -W "$(__zfs_list_datasets | awk '{print $1"@"}')" -- "$cur"))
fi
;;
esac
;;
set)
__zfs_complete_ordered_arguments "$(__zfs_get_editable_properties)" "$(__zfs_match_explicit_snapshot) $(__zfs_list_datasets)" $cur
;;
upgrade)
case "${prev}" in
-a|-V|-v)
COMPREPLY=($(compgen -W "" -- "$cur"))
;;
*)
if ! __zfs_complete_switch "a,V,v,r"
then
COMPREPLY=($(compgen -W "$(__zfs_list_filesystems)" -- "$cur"))
fi
;;
esac
;;
destroy)
if ! __zfs_complete_switch "d,f,n,p,R,r,v"
then
__zfs_complete_multiple_options "$(__zfs_match_multiple_snapshots)" $cur
fi
;;
*)
COMPREPLY=($(compgen -W "$(__zfs_match_explicit_snapshot) $(__zfs_list_datasets)" -- "$cur"))
;;
esac
__ltrim_colon_completions "$cur"
return 0
}
__zpool_get_commands()
{
$__ZPOOL_CMD 2>&1 | awk '/^\t[a-z]/ {print $1}' | uniq
}
__zpool_get_properties()
{
$__ZPOOL_CMD get 2>&1 | awk '$2 == "YES" || $2 == "NO" {print $1}'; echo all
}
__zpool_get_editable_properties()
{
$__ZPOOL_CMD get 2>&1 | awk '$2 == "YES" {print $1"="}'
}
__zpool_list_pools()
{
$__ZPOOL_CMD list -H -o name
}
__zpool_complete()
{
local cur prev cmd cmds
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
cmd="${COMP_WORDS[1]}"
if [[ ${prev##*/} == zpool ]]
then
cmds=$(__zpool_get_commands)
COMPREPLY=($(compgen -W "$cmds" -- "$cur"))
return 0
fi
case "${cmd}" in
get)
__zfs_complete_ordered_arguments "$(__zpool_get_properties)" "$(__zpool_list_pools)" $cur
return 0
;;
import)
if [[ $prev == -d ]]
then
_filedir -d
else
COMPREPLY=($(compgen -W "$(__zpool_list_pools) -d" -- "$cur"))
fi
return 0
;;
set)
__zfs_complete_ordered_arguments "$(__zpool_get_editable_properties)" "$(__zpool_list_pools)" $cur
return 0
;;
add|attach|clear|create|detach|offline|online|remove|replace)
local pools="$(__zpool_list_pools)"
if __zfs_argument_chosen $pools
then
_filedir
else
COMPREPLY=($(compgen -W "$pools" -- "$cur"))
fi
return 0
;;
*)
COMPREPLY=($(compgen -W "$(__zpool_list_pools)" -- "$cur"))
return 0
;;
esac
}
complete -F __zfs_complete zfs
complete -F __zpool_complete zpool
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