tweakXcodeproj.rb

#!/usr/local/bin/ruby

# 12/3/17-- not sure why, but the path `/usr/bin/ruby` isn't working any more. More specifically, require 'xcodeproj' fails. Perhaps because of a High Sierra install?

# Tweak the .xcodeproj after creating with the swift package manager.

# Resources: 
# http://stackoverflow.com/questions/41527782/swift-package-manager-and-xcode-retaining-xcode-settings/41612477#41612477
# http://stackoverflow.com/questions/20072937/add-run-script-build-phase-to-xcode-project-from-podspec
# https://github.com/IBM-Swift/Kitura-Build/blob/master/build/fix_xcode_project.rb
# http://www.rubydoc.info/github/CocoaPods/Xcodeproj/Xcodeproj%2FProject%2FObject%2FAbstractTarget%3Anew_shell_script_build_phase
# http://www.rubydoc.info/github/CocoaPods/Xcodeproj/Xcodeproj/Project/Object/AbstractTarget
# https://gist.github.com/niklasberglund/129065e2612d00c811d0
# https://github.com/CocoaPods/Xcodeproj
# http://stackoverflow.com/questions/34367048/how-do-you-automate-do-copy-files-in-build-phases-using-a-cocoapods-post-insta?rq=1

require 'xcodeproj'

path_to_project = "Server.xcodeproj"
project = Xcodeproj::Project.open(path_to_project)

# 1) Add Copy Files Phase for Server.json to the Products directory for Server target
target = project.targets.select { |target| target.name == 'Server' }.first
puts "Add Copy Files Phase to #{target}"
phase = target.new_copy_files_build_phase()
	
# Contrary to the docs (see http://www.rubydoc.info/github/CocoaPods/Xcodeproj/Xcodeproj/Project/Object/PBXCopyFilesBuildPhase) I believe this is not a path, but rather a code, e.g., 16 indicates to copy the file to the Products Directory.
phase.dst_subfolder_spec = "16"

fileRef1 = project.new(Xcodeproj::Project::Object::PBXFileReference)
fileRef1.path = 'Server.json'
phase.add_file_reference(fileRef1)	

fileRef2 = project.new(Xcodeproj::Project::Object::PBXFileReference)
fileRef2.path = 'ServerTests.json'
phase.add_file_reference(fileRef2)	

# 2) Add in script phase for testing target-- because I haven't figured out to get access to the Products directory at test-run time.
target = project.targets.select { |target| target.name == 'ServerTests' }.first
puts "Add Script Phase to #{target}"
phase = target.new_shell_script_build_phase()
phase.shell_script = "cp Server.json /tmp; cp ServerTests.json /tmp; cp Resources/Cat.jpg /tmp; cp VERSION /tmp; cp Resources/example.url /tmp"

# 3) Add in DEBUG and SERVER flags
	
# A little overkill, but hopefully appending these flags in the Debug configuration for each target doesn't hurt it.
project.targets.each do |target|
	puts "Appending flags to #{target}"
	
	if target.build_settings('Debug')['OTHER_SWIFT_FLAGS'].nil?
		target.build_settings('Debug')['OTHER_SWIFT_FLAGS'] = ""
	end

	target.build_settings('Debug')['OTHER_SWIFT_FLAGS'] << '-DDEBUG -DSERVER'
	
	# target.build_settings('Debug')['SWIFT_VERSION'] = '4.0'
end

project.save()