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

Inherits:
Samovar::Command
  • Object
show all
Defined in:
lib/utopia/command/site.rb

Overview

Update a local site.

Instance Method Summary collapse

Instance Method Details

#invoke(parent) ⇒ Object 



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# File 'lib/utopia/command/site.rb', line 121

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) or fail "could not change branch"
	end
	
	Setup::Site::DIRECTORIES.each do |directory|
		FileUtils.mkdir_p(File.join(destination_root, directory))
	end
	
	Setup::Site::OLD_PATHS.each do |path|
		path = File.join(destination_root, path)
		$stderr.puts "\tRemoving #{path}..."
		FileUtils.rm_rf(path)
	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") or fail "could not add files"
			
			# Stage any new files that we have explicitly added:
			system("git", "add", *Setup::Site::CONFIGURATION_FILES) or fail "could not add files"
			
			move_static!
			
			# Commit all changes:
			system("git", "commit", "-m", "Upgrade to utopia #{Utopia::VERSION}.") or fail "could not commit changes"
			
			# Checkout master..
			system("git", "checkout", "master") or fail "could not checkout master"
			
			# and merge:
			system("git", "merge", "--squash", "--no-commit", branch_name) or fail "could not merge changes"
		end
	rescue RuntimeError
		$stderr.puts "** Detected error with upgrade, reverting changes. Some new files may still exist in tree. **"
		
		system("git", "checkout", "master")
	ensure
		system("git", "branch", "-D", branch_name)
	end
end

#move_static! ⇒ Object

Move legacy pages/_static to public/_static.



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# File 'lib/utopia/command/site.rb', line 102

def move_static!
	# If public/_static doens't exist, we are done.
	return unless File.exist? 'pages/_static'
	
	if File.exist? 'public/_static'
		if File.lstat("public/_static").symlink?
			FileUtils.rm_f "public/_static"
		else
			warn "Can't move pages/_static to public/_static, destination already exists."
			return
		end
	end
	
	# One more sanity check:
	if File.directory? 'pages/_static'
		system("git", "mv", "pages/_static", "public/")
	end
end