Rakefile for iPhone distribution releasing

iPhone release rakefile with version bumping.

TARGET_NAME = "Rivals"
RELEASE_OUTPUT_PATH = File.expand_path("~/proged/releases/#{TARGET_NAME}")
CONFIGURATION = ENV['CONFIGURATION'] || "Release"
SDK_VERSION = ENV['SDK'] || 'iphoneos3.1'

desc "Build main target and zip the release bundle (also runs bump:all)."
task :release => ['bump:all'] do
    
  puts "* Building #{CONFIGURATION} release."
    `xcodebuild -target #{TARGET_NAME} -configuration #{CONFIGURATION} -sdk #{SDK_VERSION}`
    build_path = File.join('build', "#{CONFIGURATION}-iphoneos")
    
  puts "* Creating #{CONFIGURATION} package"
    output_path = File.join(RELEASE_OUTPUT_PATH, `agvtool mvers -terse1`.strip + "-#{CONFIGURATION.downcase}")
    `rm -Rf #{output_path}` if File.exist?(output_path)
    `mkdir #{output_path} && mv #{File.join(build_path, '*')} #{output_path}`
    
  puts "* Compressing."
    `cd #{output_path} && zip -ry #{TARGET_NAME}.zip #{TARGET_NAME}.app`
  
  puts "* Done."
end

namespace :bump do
  desc "Bump current project version in all targets"
  task :all do
    puts "* Bumping build version."
     `agvtool bump -all`
  end


  desc "Bumps marketing minor version (e.g. 1.0.1 -> 1.0.2)"
  # Note: It assumes mvers is handled by agvtool only and is the same across all targets
  # Note 2: It derives the current mvers from the line matching Info.plist (not other target plists)
  task :minor do
    puts "* Bumping marketing minor version"
    lines = `agvtool mvers -terse`
    mvers = lines.split.detect{|l| l =~ /Info.plist\"=/}.split(/=/).last
    puts "  current: #{mvers}"
    mvers = mvers.split(/\./)
    mvers.push(mvers.pop.to_i + 1)
    mvers = mvers.join(".")
    puts "  new: #{mvers}"
    `agvtool new-marketing-version #{mvers}`
  end
end