Add modified signing script to tar up the .app and generate the sparkle signature.

admin/mac/sign_bundle.rb

@@ -0,0 +1,14 @@
+#!/usr/bin/ruby
+if ARGV.length < 2
+  puts "Usage: ruby sign_update.rb version private_key_file"
+  puts "\nCall this from the build directory."
+  puts "If you don't have the tomahawk private key and you think you should, ask leo :)"
+  exit
+end
+
+tarball = "tomahawk#{ARGV[0]}.tar.bz2"
+puts "Zipping: #{tarball}..."
+`tar jcvf "#{tarball}" tomahawk.app`
+
+puts "Signing..."
+puts `openssl dgst -sha1 -binary < "#{tarball}" | openssl dgst -dss1 -sign "#{ARGV[1]}" | openssl enc -base64`