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a5087965fe
- Add new SC2312 global exclude. ``` Consider invoking this command separately to avoid masking its return value (or use '|| true' to ignore). [SC2312] ``` - Correct errors detected by new ShellCheck version. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu> Reviewed-by: George Melikov <mail@gmelikov.ru> Signed-off-by: szubersk <szuberskidamian@gmail.com> Closes #14148
485 lines
15 KiB
Plaintext
485 lines
15 KiB
Plaintext
# Copyright (c) 2010-2016, Aneurin Price <aneurin.price@gmail.com>
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation
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# files (the "Software"), to deal in the Software without
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# restriction, including without limitation the rights to use,
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# copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following
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# conditions:
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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__ZFS_CMD="@sbindir@/zfs"
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__ZPOOL_CMD="@sbindir@/zpool"
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# Disable bash's built-in hostname completion, as this makes it impossible to
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# provide completions containing an @-sign, which is necessary for completing
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# snapshot names. If bash_completion is in use, this will already be disabled
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# and replaced with better completions anyway.
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shopt -u hostcomplete
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__zfs_get_commands()
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{
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$__ZFS_CMD 2>&1 | awk '/^\t[a-z]/ {print $1}' | cut -f1 -d '|' | uniq
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}
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__zfs_get_properties()
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{
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$__ZFS_CMD get 2>&1 | awk '$2 == "YES" || $2 == "NO" {print $1}'; echo all name space
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}
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__zfs_get_editable_properties()
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{
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$__ZFS_CMD get 2>&1 | awk '$2 == "YES" {print $1"="}'
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}
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__zfs_get_inheritable_properties()
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{
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$__ZFS_CMD get 2>&1 | awk '$3 == "YES" {print $1}'
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}
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__zfs_list_datasets()
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{
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$__ZFS_CMD list -H -o name -s name -t filesystem,volume "$@"
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}
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__zfs_list_filesystems()
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{
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$__ZFS_CMD list -H -o name -s name -t filesystem
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}
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__zfs_match_snapshot()
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{
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local base_dataset="${cur%@*}"
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if [[ "$base_dataset" != "$cur" ]]
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then
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$__ZFS_CMD list -H -o name -s name -t snapshot -d 1 "$base_dataset"
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else
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if [[ "$cur" != "" ]] && __zfs_list_datasets "$cur" &> /dev/null
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then
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$__ZFS_CMD list -H -o name -s name -t filesystem,volume -r "$cur" | tail -n +2
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# We output the base dataset name even though we might be
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# completing a command that can only take a snapshot, because it
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# prevents bash from considering the completion finished when it
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# ends in the bare @.
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echo "$cur"
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echo "$cur@"
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else
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local datasets
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datasets="$(__zfs_list_datasets)"
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# As above
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echo "$datasets"
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if [[ "$cur" == */ ]]
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then
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# If the current command ends with a slash, then the only way
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# it can be completed with a single tab press (ie. in this pass)
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# is if it has exactly one child, so that's the only time we
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# need to offer a suggestion with an @ appended.
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local num_children
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# This is actually off by one as zfs list includes the named
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# dataset in addition to its children
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num_children=$(__zfs_list_datasets -d 1 "${cur%/}" 2> /dev/null | wc -l)
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if [[ $num_children != 2 ]]
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then
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return 0
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fi
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fi
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echo "$datasets" | awk '{print $1 "@"}'
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fi
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fi
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}
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__zfs_match_snapshot_or_bookmark()
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{
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local base_dataset="${cur%[#@]*}"
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if [[ "$base_dataset" != "$cur" ]]
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then
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if [[ $cur == *@* ]]
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then
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$__ZFS_CMD list -H -o name -s name -t snapshot -d 1 "$base_dataset"
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else
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$__ZFS_CMD list -H -o name -s name -t bookmark -d 1 "$base_dataset"
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fi
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else
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$__ZFS_CMD list -H -o name -s name -t filesystem,volume
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if [[ -e "$cur" ]] && $__ZFS_CMD list -H -o name -s name -t filesystem,volume "$cur" &> /dev/null
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then
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echo "$cur@"
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echo "$cur#"
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fi
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fi
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}
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__zfs_match_multiple_snapshots()
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{
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local existing_opts
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existing_opts="$(expr "$cur" : '\(.*\)[%,]')"
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if [[ -e "$existing_opts" ]]
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then
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local base_dataset="${cur%@*}"
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if [[ "$base_dataset" != "$cur" ]]
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then
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local cur="${cur##*,}"
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if [[ $cur =~ ^%|%.*% ]]
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then
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# correct range syntax is start%end
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return 1
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fi
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local range_start
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range_start="$(expr "$cur" : '\(.*%\)')"
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# shellcheck disable=SC2016
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$__ZFS_CMD list -H -o name -s name -t snapshot -d 1 "$base_dataset" | sed 's$.*@$'"$range_start"'$g'
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fi
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else
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__zfs_match_snapshot_or_bookmark
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fi
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}
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__zfs_list_volumes()
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{
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$__ZFS_CMD list -H -o name -s name -t volume
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}
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__zfs_argument_chosen()
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{
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local word property
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for word in $(seq $((COMP_CWORD-1)) -1 2)
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do
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local prev="${COMP_WORDS[$word]}"
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if [[ ${COMP_WORDS[$word-1]} != -[tos] ]]
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then
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if [[ "$prev" == [^,]*,* ]] || [[ "$prev" == *[@:\#]* ]]
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then
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return 0
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fi
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for property in "$@"
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do
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if [[ $prev == "$property"* ]]
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then
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return 0
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fi
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done
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fi
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done
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return 1
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}
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__zfs_complete_ordered_arguments()
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{
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local list1=$1
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local list2=$2
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local cur=$3
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local extra=$4
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# shellcheck disable=SC2086
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if __zfs_argument_chosen $list1
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then
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mapfile -t COMPREPLY < <(compgen -W "$list2 $extra" -- "$cur")
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else
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mapfile -t COMPREPLY < <(compgen -W "$list1 $extra" -- "$cur")
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fi
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}
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__zfs_complete_multiple_options()
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{
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local options=$1
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local cur=$2
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local existing_opts
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mapfile -t COMPREPLY < <(compgen -W "$options" -- "${cur##*,}")
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existing_opts=$(expr "$cur" : '\(.*,\)')
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if [[ -n "$existing_opts" ]]
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then
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COMPREPLY=( "${COMPREPLY[@]/#/${existing_opts}}" )
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fi
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}
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__zfs_complete_switch()
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{
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local options=$1
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if [[ ${cur:0:1} == - ]]
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then
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mapfile -t COMPREPLY < <(compgen -W "-{$options}" -- "$cur")
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return 0
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else
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return 1
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fi
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}
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__zfs_complete_nospace()
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{
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# Google indicates that there may still be bash versions out there that
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# don't have compopt.
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if type compopt &> /dev/null
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then
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compopt -o nospace
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fi
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}
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__zfs_complete()
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{
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local cur prev cmd cmds
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COMPREPLY=()
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if type _get_comp_words_by_ref &> /dev/null
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then
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# Don't split on colon
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_get_comp_words_by_ref -n : -c cur -p prev -w COMP_WORDS -i COMP_CWORD
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else
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cur="${COMP_WORDS[COMP_CWORD]}"
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prev="${COMP_WORDS[COMP_CWORD-1]}"
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fi
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cmd="${COMP_WORDS[1]}"
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if [[ ${prev##*/} == zfs ]]
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then
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cmds=$(__zfs_get_commands)
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mapfile -t COMPREPLY < <(compgen -W "$cmds -?" -- "$cur")
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return 0
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fi
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case "${cmd}" in
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bookmark)
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if __zfs_argument_chosen
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then
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mapfile -t COMPREPLY < <(compgen -W "${prev%@*}# ${prev/@/#}" -- "$cur")
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else
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_match_snapshot)" -- "$cur")
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fi
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;;
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clone)
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case "${prev}" in
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-o)
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_get_editable_properties)" -- "$cur")
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__zfs_complete_nospace
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;;
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*)
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if ! __zfs_complete_switch "o,p"
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then
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if __zfs_argument_chosen
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then
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_list_datasets)" -- "$cur")
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else
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_match_snapshot)" -- "$cur")
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fi
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fi
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;;
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esac
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;;
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get)
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case "${prev}" in
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-d)
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mapfile -t COMPREPLY < <(compgen -W "" -- "$cur")
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;;
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-t)
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__zfs_complete_multiple_options "filesystem volume snapshot bookmark all" "$cur"
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;;
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-s)
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__zfs_complete_multiple_options "local default inherited temporary received none" "$cur"
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;;
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-o)
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__zfs_complete_multiple_options "name property value source received all" "$cur"
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;;
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*)
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if ! __zfs_complete_switch "H,r,p,d,o,t,s"
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then
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# shellcheck disable=SC2046
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if __zfs_argument_chosen $(__zfs_get_properties)
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then
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_match_snapshot)" -- "$cur")
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else
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__zfs_complete_multiple_options "$(__zfs_get_properties)" "$cur"
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fi
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fi
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;;
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esac
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;;
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inherit)
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if ! __zfs_complete_switch "r"
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then
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__zfs_complete_ordered_arguments "$(__zfs_get_inheritable_properties)" "$(__zfs_match_snapshot)" "$cur"
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fi
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;;
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list)
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case "${prev}" in
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-d)
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mapfile -t COMPREPLY < <(compgen -W "" -- "$cur")
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;;
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-t)
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__zfs_complete_multiple_options "filesystem volume snapshot bookmark all" "$cur"
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;;
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-o)
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__zfs_complete_multiple_options "$(__zfs_get_properties)" "$cur"
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;;
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-s|-S)
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_get_properties)" -- "$cur")
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;;
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*)
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if ! __zfs_complete_switch "H,r,d,o,t,s,S"
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then
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_match_snapshot)" -- "$cur")
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fi
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;;
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esac
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;;
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promote)
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_list_filesystems)" -- "$cur")
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;;
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rollback)
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if ! __zfs_complete_switch "r,R,f"
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then
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_match_snapshot)" -- "$cur")
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fi
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;;
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send)
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if ! __zfs_complete_switch "D,n,P,p,R,v,e,L,i,I"
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then
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if __zfs_argument_chosen
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then
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_match_snapshot)" -- "$cur")
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else
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if [[ $prev == -*i* ]]
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then
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_match_snapshot_or_bookmark)" -- "$cur")
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else
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_match_snapshot)" -- "$cur")
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fi
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fi
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fi
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;;
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snapshot)
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case "${prev}" in
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-o)
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_get_editable_properties)" -- "$cur")
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__zfs_complete_nospace
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;;
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*)
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if ! __zfs_complete_switch "o,r"
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then
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_match_snapshot)" -- "$cur")
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__zfs_complete_nospace
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fi
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;;
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esac
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;;
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set)
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__zfs_complete_ordered_arguments "$(__zfs_get_editable_properties)" "$(__zfs_match_snapshot)" "$cur"
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__zfs_complete_nospace
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;;
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upgrade)
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case "${prev}" in
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-a|-V|-v)
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mapfile -t COMPREPLY < <(compgen -W "" -- "$cur")
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;;
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*)
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if ! __zfs_complete_switch "a,V,v,r"
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then
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_list_filesystems)" -- "$cur")
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fi
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;;
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esac
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;;
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destroy)
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if ! __zfs_complete_switch "d,f,n,p,R,r,v"
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then
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__zfs_complete_multiple_options "$(__zfs_match_multiple_snapshots)" "$cur"
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__zfs_complete_nospace
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fi
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;;
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*)
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mapfile -t COMPREPLY < <(compgen -W "$(__zfs_match_snapshot)" -- "$cur")
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;;
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esac
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if type __ltrim_colon_completions &> /dev/null
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then
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__ltrim_colon_completions "$cur"
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fi
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return 0
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}
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__zpool_get_commands()
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{
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$__ZPOOL_CMD 2>&1 | awk '/^\t[a-z]/ {print $1}' | uniq
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}
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__zpool_get_properties()
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{
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$__ZPOOL_CMD get 2>&1 | awk '$2 == "YES" || $2 == "NO" {print $1}'; echo all
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}
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__zpool_get_editable_properties()
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{
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$__ZPOOL_CMD get 2>&1 | awk '$2 == "YES" {print $1"="}'
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}
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__zpool_list_pools()
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{
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$__ZPOOL_CMD list -H -o name
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}
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__zpool_complete()
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{
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local cur prev cmd cmds pools
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COMPREPLY=()
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cur="${COMP_WORDS[COMP_CWORD]}"
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prev="${COMP_WORDS[COMP_CWORD-1]}"
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cmd="${COMP_WORDS[1]}"
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if [[ ${prev##*/} == zpool ]]
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then
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cmds=$(__zpool_get_commands)
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mapfile -t COMPREPLY < <(compgen -W "$cmds" -- "$cur")
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return 0
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fi
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case "${cmd}" in
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get)
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__zfs_complete_ordered_arguments "$(__zpool_get_properties)" "$(__zpool_list_pools)" "$cur"
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return 0
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;;
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import)
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if [[ $prev == -d ]]
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then
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_filedir -d
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else
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mapfile -t COMPREPLY < <(compgen -W "$(__zpool_list_pools) -d" -- "$cur")
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fi
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return 0
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;;
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set)
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__zfs_complete_ordered_arguments "$(__zpool_get_editable_properties)" "$(__zpool_list_pools)" "$cur"
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__zfs_complete_nospace
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return 0
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;;
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add|attach|clear|create|detach|offline|online|remove|replace)
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pools="$(__zpool_list_pools)"
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# shellcheck disable=SC2086
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if __zfs_argument_chosen $pools
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then
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_filedir
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else
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mapfile -t COMPREPLY < <(compgen -W "$pools" -- "$cur")
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fi
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return 0
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;;
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*)
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mapfile -t COMPREPLY < <(compgen -W "$(__zpool_list_pools)" -- "$cur")
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return 0
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;;
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esac
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}
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complete -F __zfs_complete zfs
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complete -F __zpool_complete zpool
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