Set app build number

set_bundle_version.rb

#encoding: UTF-8
#!/usr/bin/ruby
# xcode-git-cfbundleversion.rb
# Update CFBundleVersion in Info.plist file with short Git revision string
#
# This is based on
# http://github.com/guicocoa/xcode-git-cfbundleversion/
# http://github.com/digdog/xcode-git-cfbundleversion/
# http://github.com/jsallis/xcode-git-versioner
# http://github.com/juretta/iphone-project-tools/tree/v1.0.3

raise "Must be run from Xcode" unless ENV['XCODE_VERSION_ACTUAL']

GIT = "/usr/bin/git"
PRODUCT_PLIST = File.join(ENV['BUILT_PRODUCTS_DIR'], ENV['INFOPLIST_PATH'])
REVISION = `#{GIT} log --pretty=format:'' | wc -l`.strip.to_s
BUNDLE_VERSION = "CFBundleVersion"

if File.file?(PRODUCT_PLIST) and REVISION

  # update product plist
  `/usr/bin/plutil -convert xml1 \"#{PRODUCT_PLIST}\"`
  `/usr/bin/plutil -replace \"#{BUNDLE_VERSION}\" -string \"#{REVISION}" \"#{PRODUCT_PLIST}\"`
  `/usr/bin/plutil -convert binary1 \"#{PRODUCT_PLIST}\"`

  # log
  puts "--> Updated #{BUNDLE_VERSION} to #{REVISION}"

end