use Slop "no-" prefix feature

bin/earthquake

@@ -1,20 +1,38 @@
 #!/usr/bin/env ruby
 require 'slop'
+require 'stringio'
 
 argv = ARGV.dup
-slop = Slop.new(:strict => true, :help => true)
+io = StringIO.new
+slop = Slop.new(:strict => true, :help => true, :exit_on_help => false, :io => io)
 slop.banner "Usage: earthquake [options] [directory]"
 slop.on :d, :debug, 'Enable debug mode'
-slop.on :n, :'no-logo', 'No Logo'
-slop.on :c, :command, "Invoke a command and exit", true
-slop.on :'--no-stream', "No stream mode"
+slop.on :l, :logo, 'Show Logo', default: true
+slop.on :n, 'No Logo (deprecated)'
+slop.on :c, :command=, "Invoke a command and exit"
+slop.on :stream, "Stream mode", default: true
 begin
   slop.parse!(argv)
+  (help = io.string).each_line do |line|
+    if m = /\A.{8}--(\S+ {5})/.match(line)
+      name = m[1].rstrip
+      if name != "help" and !slop.options[name.to_sym].expects_argument?
+        puts line.sub(m[1], "[no-]" + name)
+        next
+      end
+    end
+    puts line
+  end
+  exit unless help.empty?
 rescue => e
   puts e
   exit!
 end
 options = slop.to_hash
+if options.delete(:n)
+  warn "-n is deprecated. use --no-logo instead."
+  options.delete(:logo)
+end
 options.delete(:help)
 options[:dir] = argv.shift unless argv.empty?
 
@@ -23,9 +41,9 @@ $:.unshift Pathname.new(__FILE__).realpath.join('../../lib') if $0 == __FILE__
 require "earthquake/version"
 
 command = options.delete(:command)
-no_logo = options.delete(:'no-logo')
+logo = options.delete(:logo)
 
-if !no_logo && !command
+if logo && !command
   print "\e[31m"
   puts %q{
                  _   _                       _

lib/earthquake/core.rb

@@ -148,7 +148,7 @@ def start(options = {})
           end
         end
 
-        reconnect unless options[:'no-stream'] == true
+        reconnect if options[:stream]
 
         trap('INT') { stop }
       end