Add signing build script needed for shipping

.gitignore

@@ -40,11 +40,6 @@ profile
 
 DerivedData/
 
-# NB: slash on the end, so we only remove the FOLDER, not any files that were badly named "build"
-
-build/
-
-
 #####
 # Xcode private settings (window sizes, bookmarks, breakpoints, custom executables, smart groups)
 #

Build/sign_update.rb

@@ -0,0 +1,7 @@
+#!/usr/bin/ruby
+if ARGV.length < 2
+  puts "Usage: ruby sign_update.rb update_archive private_key"
+  exit
+end
+
+puts `openssl dgst -sha1 -binary < "#{ARGV[0]}" | openssl dgst -dss1 -sign "#{ARGV[1]}" | openssl enc -base64`