Rakefile

require 'tmpdir'
require 'pathname'

PROJECT = 'Expecta.xcodeproj'
CONFIGURATION = 'Release'

NO_COLOR= "\033[0m"
GREEN_COLOR = "\033[32;01m"

def xcpretty_available
  `gem list xcpretty -i`.chomp == 'true'
end

def execute(command, stdout=nil)
  puts "Running #{command}..."
  command += " > #{stdout}" if stdout
  system(command) or raise "** BUILD FAILED **"
end

def test(scheme)
  cmd = "xcrun xcodebuild -derivedDataPath build SYMROOT=build -project #{PROJECT} -scheme #{scheme} -configuration #{CONFIGURATION} test"
  if xcpretty_available
    cmd = "#{cmd} | xcpretty -c && exit ${PIPESTATUS[0]}"
  end
  execute cmd
end

def ios_simulator_destination
  "-destination 'platform=iOS Simulator,name=iPhone 5,OS=latest'"
end

def code_signing_identity
  ENV['EXP_CODE_SIGNING_IDENTITY'] || 'iPhone Developer'
end

def build(scheme, sdk, product)
  destination = ''
  build_dir = CONFIGURATION
  if sdk != 'macosx'
    build_dir = "#{CONFIGURATION}-#{sdk}"
    if sdk == 'iphonesimulator'
      destination = ios_simulator_destination
    end
  end
  cmd = "xcrun xcodebuild -derivedDataPath build SYMROOT=build -project #{PROJECT} -scheme #{scheme} -sdk #{sdk} #{destination} -configuration #{CONFIGURATION}"
  if xcpretty_available
    cmd = "#{cmd} | xcpretty -c && exit ${PIPESTATUS[0]}"
  end
  execute cmd
  "build/#{build_dir}/#{product}"
end

def build_framework(scheme, sdk)
  build(scheme, sdk, 'Expecta.framework')
end

def build_static_lib(scheme, sdk)
  build(scheme, sdk, 'libExpecta.a')
end

def lipo(bin1, bin2, output)
  execute "xcrun lipo -create '#{bin1}' '#{bin2}' -output '#{output}'"
end

def puts_green(str)
  puts "#{GREEN_COLOR}#{str}#{NO_COLOR}"
end

desc 'Run tests'
task :test do |t|
  execute "xcrun xcodebuild test -project #{PROJECT} -scheme Expecta"
end

desc 'clean'
task :clean do |t|
  puts_green '=== CLEAN ==='
  execute 'rm -rf build'
  execute 'rm -rf Expecta/build'
  execute 'rm -rf Expecta/Products'
end

desc 'build'
task :build => :clean do |t|
  puts_green "=== BUILD ==="

  osx_framework     = build_framework('Expecta', 'macosx')
  ios_sim_framework = build_framework('Expecta-iOS', 'iphonesimulator')
  ios_framework     = build_framework('Expecta-iOS', 'iphoneos')

  osx_static_lib     = build_static_lib('libExpecta', 'macosx')
  ios_sim_static_lib = build_static_lib('libExpecta-iOS', 'iphonesimulator')
  ios_static_lib     = build_static_lib('libExpecta-iOS', 'iphoneos')

  ios_build_path = Pathname.new(ios_framework).parent.to_s
  ios_univ_build_path = "Expecta/build/#{CONFIGURATION}-ios-universal"

  puts_green "\n=== GENERATE UNIVERSAL iOS BINARY (Device/Simulator) ==="
  execute "mkdir -p '#{ios_univ_build_path}'"
  execute "cp -a '#{ios_framework}' '#{ios_univ_build_path}'"
  execute "cp -a '#{ios_static_lib}' '#{ios_univ_build_path}'"

  ios_framework_name = Pathname.new(ios_framework).basename.to_s
  ios_static_lib_name = Pathname.new(ios_static_lib).basename.to_s

  ios_univ_framework  = File.join(ios_univ_build_path, ios_framework_name)
  ios_univ_static_lib = File.join(ios_univ_build_path, ios_static_lib_name)

  lipo("#{ios_framework}/Expecta", "#{ios_sim_framework}/Expecta", "#{ios_univ_framework}/Expecta")
  lipo(ios_static_lib, ios_sim_static_lib, ios_univ_static_lib)

  puts_green "\n=== CODESIGN iOS FRAMEWORK ==="
  execute "xcrun codesign --force --sign \"#{code_signing_identity}\" '#{ios_univ_framework}'"

  puts_green "\n=== COPY PRODUCTS ==="
  execute "yes | rm -rf Products"
  execute "mkdir -p Products/ios"
  execute "mkdir -p Products/osx"
  execute "cp -a #{osx_framework} Products/osx"
  execute "cp -a #{osx_static_lib} Products/osx"
  execute "cp -a #{ios_univ_framework} Products/ios"
  execute "cp -a #{ios_univ_static_lib} Products/ios"
  execute "cp -a #{osx_framework}/Headers/* Products"
  puts "\n** BUILD SUCCEEDED **"
end

namespace 'specs' do
  task :ios => :clean do |t|
    test("Expecta-iOS")
  end

  task :osx => :clean do |t|
    test("Expecta")
  end
end

task :default => [:build]