Make capify understand simple command-line switches

git-svn-id: http://svn.rubyonrails.org/rails/tools/capistrano@6707 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

CHANGELOG

@@ -1,6 +1,8 @@
 *SVN*
 
-* Make the server definition itself available to SSH channels, rather that just the host name [Jamis Buck]
+* Make `capify' understand simple command-line switches [Jamis Buck]
+
+* Make the server definition itself available to SSH channels, rather than just the host name [Jamis Buck]
 
 * Identify servers by their complete credentials in logs, rather than simply by hostname [Jamis Buck]
 

bin/capify

@@ -1,5 +1,24 @@
 #!/usr/bin/env ruby
 
+require 'optparse'
+
+OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename($0)} [path]"
+
+  opts.on("-h", "--help", "Displays this help info") do
+    puts opts
+    exit 0
+  end
+
+  begin
+    opts.parse!(ARGV)
+  rescue OptionParser::ParseError => e
+    warn e.message
+    puts opts
+    exit 1
+  end
+end
+
 if ARGV.empty?
   abort "Please specify the directory to capify, e.g. `#{File.basename($0)} .'"
 elsif !File.exists?(ARGV.first)