function __fish_complete_command --description 'Complete using all available commands'
    set -l ctoken (commandline -ct)
    switch $ctoken
        case '*=*'
            set ctoken (string split "=" -- $ctoken)
            printf '%s\n' $ctoken[1]=(complete -C$ctoken[2])
        case '*'
            complete -C$ctoken
    end
end