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Merge bash_completions changes from upstream
The current bash_completion contrib code in openzfs is very old, and some changes have been added since. The original repo is at https://github.com/Aneurin/zfs-bash I've been using the original @Aneurin code since my first deploy of ZoL. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: João Carlos Mendes Luís <jonny@jonny.eng.br> Closes #10456
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Joao Carlos Mendes Luis
GitHub
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@ -1,4 +1,4 @@
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# Copyright (c) 2013, Aneurin Price <aneurin.price@gmail.com>
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# 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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@ -29,6 +29,12 @@ else
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__ZPOOL_CMD="sudo zpool"
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fi
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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 $1}' | cut -f1 -d '|' | uniq
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@ -51,12 +57,12 @@ __zfs_get_inheritable_properties()
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__zfs_list_datasets()
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{
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$__ZFS_CMD list -H -o name -t filesystem,volume
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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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$__ZFS_CMD list -H -o name -t filesystem
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$__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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@ -64,18 +70,59 @@ __zfs_match_snapshot()
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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 -t snapshot -d 1 $base_dataset
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$__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 -t filesystem,volume | awk '{print $1"@"}'
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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 -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 $cur@
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else
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local datasets=$(__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 $1"@"}'
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fi
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fi
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}
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__zfs_match_explicit_snapshot()
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__zfs_match_snapshot_or_bookmark()
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{
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local base_dataset=${cur%@*}
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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 -t snapshot -d 1 $base_dataset
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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 [[ $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 $cur#
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fi
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fi
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}
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@ -94,16 +141,16 @@ __zfs_match_multiple_snapshots()
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return 1
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fi
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local range_start=$(expr "$cur" : '\(.*%\)')
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$__ZFS_CMD list -H -o name -t snapshot -d 1 $base_dataset | sed 's$.*@$'$range_start'$g'
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$__ZFS_CMD list -H -o name -s name -t snapshot -d 1 $base_dataset | sed 's$.*@$'$range_start'$g'
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fi
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else
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__zfs_match_explicit_snapshot; __zfs_list_datasets
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__zfs_match_snapshot_or_bookmark
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fi
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}
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__zfs_list_volumes()
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{
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$__ZFS_CMD list -H -o name -t volume
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$__ZFS_CMD list -H -o name -s name -t volume
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}
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__zfs_argument_chosen()
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@ -114,13 +161,13 @@ __zfs_argument_chosen()
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local prev="${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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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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if [[ $prev == "$property"* ]]
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then
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return 0
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fi
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@ -169,12 +216,28 @@ __zfs_complete_switch()
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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 [[ ${prev##*/} == zfs ]]
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@ -185,10 +248,19 @@ __zfs_complete()
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fi
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case "${cmd}" in
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bookmark)
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if __zfs_argument_chosen
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then
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COMPREPLY=($(compgen -W "${prev%@*}# ${prev/@/#}" -- "$cur"))
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else
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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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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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@ -222,7 +294,7 @@ __zfs_complete()
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then
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if __zfs_argument_chosen $(__zfs_get_properties)
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then
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COMPREPLY=($(compgen -W "$(__zfs_match_explicit_snapshot) $(__zfs_list_datasets)" -- "$cur"))
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COMPREPLY=($(compgen -W "$(__zfs_match_snapshot)" -- "$cur"))
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else
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__zfs_complete_multiple_options "$(__zfs_get_properties)" "$cur"
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fi
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@ -233,7 +305,7 @@ __zfs_complete()
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inherit)
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if ! __zfs_complete_switch "r"
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then
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__zfs_complete_ordered_arguments "$(__zfs_get_inheritable_properties)" "$(__zfs_match_explicit_snapshot) $(__zfs_list_datasets)" $cur
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__zfs_complete_ordered_arguments "$(__zfs_get_inheritable_properties)" "$(__zfs_match_snapshot)" $cur
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fi
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;;
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list)
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@ -253,7 +325,7 @@ __zfs_complete()
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*)
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if ! __zfs_complete_switch "H,r,d,o,t,s,S"
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then
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COMPREPLY=($(compgen -W "$(__zfs_match_explicit_snapshot) $(__zfs_list_datasets)" -- "$cur"))
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COMPREPLY=($(compgen -W "$(__zfs_match_snapshot)" -- "$cur"))
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fi
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;;
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esac
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@ -268,26 +340,39 @@ __zfs_complete()
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fi
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;;
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send)
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if ! __zfs_complete_switch "d,n,P,p,R,v,i,I"
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if ! __zfs_complete_switch "D,n,P,p,R,v,e,L,i,I"
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then
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if __zfs_argument_chosen
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then
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COMPREPLY=($(compgen -W "$(__zfs_match_snapshot)" -- "$cur"))
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else
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if [[ $prev == -*i* ]]
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then
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COMPREPLY=($(compgen -W "$(__zfs_match_snapshot_or_bookmark)" -- "$cur"))
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else
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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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COMPREPLY=($(compgen -W "$(__zfs_get_editable_properties)" -- "$cur"))
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__zfs_complete_nospace
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;;
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*)
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if ! __zfs_complete_switch "o,r"
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then
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COMPREPLY=($(compgen -W "$(__zfs_list_datasets | awk '{print $1"@"}')" -- "$cur"))
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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_explicit_snapshot) $(__zfs_list_datasets)" $cur
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__zfs_complete_ordered_arguments "$(__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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@ -306,13 +391,17 @@ __zfs_complete()
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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)" $cur
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__zfs_complete_nospace
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fi
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;;
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*)
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COMPREPLY=($(compgen -W "$(__zfs_match_explicit_snapshot) $(__zfs_list_datasets)" -- "$cur"))
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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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@ -367,6 +456,7 @@ __zpool_complete()
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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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