Class: Utopia::Command::Site::Update

Inherits:

Samovar::Command

• Object
• Samovar::Command
• Utopia::Command::Site::Update

Defined in:

lib/utopia/command.rb

Instance Method Summary

• #invoke(parent) ⇒ Object

Instance Method Details

#invoke(parent) ⇒ Object

# File 'lib/utopia/command.rb', line 163

def invoke(parent)
	destination_root = parent.root
	branch_name = "utopia-upgrade-#{Utopia::VERSION}"
	
	$stderr.puts "Upgrading #{destination_root}..."
	
	Dir.chdir(destination_root) do
		system('git', 'checkout', '-b', branch_name)
	end
	
	Setup::Site::DIRECTORIES.each do |directory|
		FileUtils.mkdir_p(File.join(destination_root, directory))
	end
	
	Setup::Site::OLD_DIRECTORIES.each do |directory|
		path = File.join(destination_root, directory)
		$stderr.puts "\tRemoving #{path}..."
		FileUtils.rm_rf(path)
	end
	
	Setup::Site::SYMLINKS.each do |path, target|
		FileUtils.ln_s(target, File.join(destination_root, path), force: true)
	end
	
	Setup::Site::CONFIGURATION_FILES.each do |configuration_file|
		source_path = File.join(Setup::Site::ROOT, configuration_file)
		destination_path = File.join(destination_root, configuration_file)
		
		$stderr.puts "Updating #{destination_path}..."
		
		FileUtils.copy_entry(source_path, destination_path)
		buffer = File.read(destination_path).gsub('$UTOPIA_VERSION', Utopia::VERSION)
		File.open(destination_path, "w") { |file| file.write(buffer) }
	end
	
	begin
		Dir.chdir(destination_root) do
			# Stage any files that have been changed or removed:
			system("git", "add", "-u")
			
			# Stage any new files that we have explicitly added:
			system("git", "add", *Setup::Site::CONFIGURATION_FILES, *Setup::Site::SYMLINKS.keys)
			
			# Commit all changes:
			system("git", "commit", "-m", "Upgrade to utopia #{Utopia::VERSION}.")
			
			# Checkout master..
			system("git", "checkout", "master")
			
			# and merge:
			system("git", "merge", "--no-commit", "--no-ff", branch_name)
		end
	rescue RuntimeError
		$stderr.puts "** Detected error with upgrade, reverting changes. Some new files may still exist in tree. **"
		
		system("git", "checkout", "master")
		system("git", "branch", "-d", branch_name)
	end
end