function __fish_ipset_nosubcommand
    if __fish_seen_subcommand_from create add del test destroy list save restore flush rename swap help version
        return 1
    end
    return 0
end

function __fish_ipset_needs_setname
    if __fish_seen_subcommand_from add del test destroy list save restore flush rename swap
        return 0
    end
    return 1
end

function __fish_ipset_list_sets
    set -l ipset_list (ipset list --name 2>/dev/null)
    if not __fish_seen_subcommand_from $ipset_list
        echo $ipset_list
    end
end

complete -c ipset --no-files --condition __fish_ipset_nosubcommand -a 'create' -d 'Create a set identified with SETNAME'
complete -c ipset --no-files --condition __fish_ipset_nosubcommand -a 'add' -d 'Add a given entry to a SET'
complete -c ipset --no-files --condition __fish_ipset_nosubcommand -a 'del' -d 'Delete an entry from a SET'
complete -c ipset --no-files --condition __fish_ipset_nosubcommand -a 'test' -d 'Test whether an entry is in a set'
complete -c ipset --no-files --condition __fish_ipset_nosubcommand -a 'x' -d 'Destroy the specified set or all sets'
complete -c ipset --no-files --condition __fish_ipset_nosubcommand -a 'destroy' -d 'Destroy the specified set or all sets'
complete -c ipset --no-files --condition __fish_ipset_nosubcommand -a 'list' -d 'a'

complete -c ipset --no-files --condition __fish_ipset_needs_setname -a '(__fish_ipset_list_sets)'

complete -c ipset --no-files -s ! -o 'exist' -d 'Ignore errors'
complete -c ipset --no-files -s 'o' -o 'output' -a 'plain save xml' -d 'Output format to the list command'
complete -c ipset --no-files -s 'q' -o 'quiet' -d 'Suppress any output'
complete -c ipset --no-files -s 'r' -o 'resolve' -d 'Enforce name lookup'
# complete -c ipset --no-files -s 's' -o 'sorted' -d 'Sorted output (not supported yet)'
complete -c ipset --no-files -s 'n' -o 'name' -d 'List just the names of the sets'
complete -c ipset --no-files -s 't' -o 'terse' -d 'List the set names and headers'
complete -c ipset --no-files -s 'f' -o 'file' -d 'Filename instead of stdout'