[post-install] Add dSYM generation

Enable debug information to specific target to enable dSYM generation.
This will generate a directory with the dSYM files per platform. It only
supports 'iphoneos' and 'iphonesimulator' for now.

lib/cocoapods-rome/post_install.rb

@@ -1,23 +1,22 @@
 require 'fourflusher'
 
-CONFIGURATION = "Release"
 PLATFORMS = { 'iphonesimulator' => 'iOS',
               'appletvsimulator' => 'tvOS',
               'watchsimulator' => 'watchOS' }
 
-def build_for_iosish_platform(sandbox, build_dir, target, device, simulator)
+def build_for_iosish_platform(sandbox, build_dir, target, device, simulator, configuration)
   deployment_target = target.platform_deployment_target
   target_label = target.cocoapods_target_label
 
-  xcodebuild(sandbox, target_label, device, deployment_target)
-  xcodebuild(sandbox, target_label, simulator, deployment_target)
+  xcodebuild(sandbox, target_label, device, deployment_target, configuration)
+  xcodebuild(sandbox, target_label, simulator, deployment_target, configuration)
 
   spec_names = target.specs.map { |spec| [spec.root.name, spec.root.module_name] }.uniq
   spec_names.each do |root_name, module_name|
     executable_path = "#{build_dir}/#{root_name}"
-    device_lib = "#{build_dir}/#{CONFIGURATION}-#{device}/#{root_name}/#{module_name}.framework/#{module_name}"
+    device_lib = "#{build_dir}/#{configuration}-#{device}/#{root_name}/#{module_name}.framework/#{module_name}"
     device_framework_lib = File.dirname(device_lib)
-    simulator_lib = "#{build_dir}/#{CONFIGURATION}-#{simulator}/#{root_name}/#{module_name}.framework/#{module_name}"
+    simulator_lib = "#{build_dir}/#{configuration}-#{simulator}/#{root_name}/#{module_name}.framework/#{module_name}"
 
     next unless File.file?(device_lib) && File.file?(simulator_lib)
 
@@ -31,21 +30,48 @@ def build_for_iosish_platform(sandbox, build_dir, target, device, simulator)
   end
 end
 
-def xcodebuild(sandbox, target, sdk='macosx', deployment_target=nil)
-  args = %W(-project #{sandbox.project_path.realdirpath} -scheme #{target} -configuration #{CONFIGURATION} -sdk #{sdk})
+def xcodebuild(sandbox, target, sdk='macosx', deployment_target=nil, configuration)
+  args = %W(-project #{sandbox.project_path.realdirpath} -scheme #{target} -configuration #{configuration} -sdk #{sdk})
   platform = PLATFORMS[sdk]
   args += Fourflusher::SimControl.new.destination(:oldest, platform, deployment_target) unless platform.nil?
   Pod::Executable.execute_command 'xcodebuild', args, true
 end
 
+def enable_debug_information(project_path, configuration)
+  project = Xcodeproj::Project.open(project_path)
+  project.targets.each do |target|
+    config = target.build_configurations.find { |config| config.name.eql? configuration }
+    config.build_settings['DEBUG_INFORMATION_FORMAT'] = 'dwarf-with-dsym'
+    config.build_settings['ONLY_ACTIVE_ARCH'] = 'NO'
+  end
+  project.save
+end
+
+def copy_dsym_files(dsym_destination, configuration)
+  dsym_destination.rmtree if dsym_destination.directory?
+  platforms = ['iphoneos', 'iphonesimulator']
+  platforms.each do |platform|
+    dsym = Pathname.glob("build/#{configuration}-#{platform}/**/*.dSYM")
+    dsym.each do |dsym|
+      destination = dsym_destination + platform
+      FileUtils.mkdir_p destination
+      FileUtils.cp_r dsym, destination, :remove_destination => true
+    end
+  end
+end
+
 Pod::HooksManager.register('cocoapods-rome', :post_install) do |installer_context, user_options|
+  enable_dsym = user_options.fetch('dsym', true)
+  configuration = user_options.fetch('configuration', true)
   if user_options["pre_compile"]
     user_options["pre_compile"].call(installer_context)
   end
 
   sandbox_root = Pathname(installer_context.sandbox_root)
   sandbox = Pod::Sandbox.new(sandbox_root)
 
+  enable_debug_information(sandbox.project_path, configuration) if enable_dsym
+
   build_dir = sandbox_root.parent + 'build'
   destination = sandbox_root.parent + 'Rome'
 
@@ -55,10 +81,10 @@ def xcodebuild(sandbox, target, sdk='macosx', deployment_target=nil)
   targets = installer_context.umbrella_targets.select { |t| t.specs.any? }
   targets.each do |target|
     case target.platform_name
-    when :ios then build_for_iosish_platform(sandbox, build_dir, target, 'iphoneos', 'iphonesimulator')
-    when :osx then xcodebuild(sandbox, target.cocoapods_target_label)
-    when :tvos then build_for_iosish_platform(sandbox, build_dir, target, 'appletvos', 'appletvsimulator')
-    when :watchos then build_for_iosish_platform(sandbox, build_dir, target, 'watchos', 'watchsimulator')
+    when :ios then build_for_iosish_platform(sandbox, build_dir, target, 'iphoneos', 'iphonesimulator', configuration)
+    when :osx then xcodebuild(sandbox, target.cocoapods_target_label, configuration)
+    when :tvos then build_for_iosish_platform(sandbox, build_dir, target, 'appletvos', 'appletvsimulator', configuration)
+    when :watchos then build_for_iosish_platform(sandbox, build_dir, target, 'watchos', 'watchsimulator', configuration)
     else raise "Unknown platform '#{target.platform_name}'" end
   end
 
@@ -89,5 +115,8 @@ def xcodebuild(sandbox, target, sdk='macosx', deployment_target=nil)
     FileUtils.mkdir_p destination
     FileUtils.cp_r framework, destination, :remove_destination => true
   end
+
+  copy_dsym_files(sandbox_root.parent + 'dSYM', configuration) if enable_dsym
+
   build_dir.rmtree if build_dir.directory?
 end