bin/spire in spire-0.1.6 vs bin/spire in spire-0.1.7

@@ -2,18 +2,18 @@
 
 require 'optparse'
 options = {}
 
 optparse = OptionParser.new do |opts|
-  opts.banner = "Usage: spire create folder"
+  opts.banner = "Usage: spire create app"
 
 	opts.on('-h', '--help', 'Displays this usage screen') do
 		puts optparse
 		exit
 	end
 
-	opts.on('create', '-c', 'Creates a new app.') do |params|
+	opts.on('-c', '-create DIR', 'Creates a new app/project with given name.') do |params|
 		options[:create] = params
 	end	
 	
 end
 
@@ -22,8 +22,12 @@
 rescue OptionParser::InvalidOption
   puts optparse
   exit 1
 end
 
-unless Dir.exists?(options[:create]) 
-	system("git clone git://github.com/snicol/spire-base-app.git #{options[:create]}")
-end
+if options[:create]
+  unless Dir.exists?(options[:create]) 
+	  system("git clone git://github.com/snicol/spire-base-app.git #{options[:create]}")
+  end
+else
+  puts "No arguments given!"
+end
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