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

Inherits:

Samovar::Command

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

Defined in:

lib/utopia/command/site.rb

Overview

Update a local site.

Instance Method Summary

• #call ⇒ Object
• #move_static! ⇒ Object

  Move legacy ‘pages/_static` to `public/_static`.

• #update_gemfile! ⇒ Object

  Move ‘Gemfile` to `gems.rb`.

Instance Method Details

#call ⇒ Object

# File 'lib/utopia/command/site.rb', line 154

def call
	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
	
	DIRECTORIES.each do |directory|
		FileUtils.mkdir_p(File.join(destination_root, directory))
	end
	
	OLD_PATHS.each do |path|
		path = File.join(destination_root, path)
		$stderr.puts "\tRemoving #{path}..."
		FileUtils.rm_rf(path)
	end
	
	CONFIGURATION_FILES.each do |configuration_file|
		source_path = File.join(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
	
	Environment.defaults(destination_root)
	
	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", *Site::CONFIGURATION_FILES) or fail "could not add files"
			
			move_static!
			update_gemfile!
			
			# 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`.

# File 'lib/utopia/command/site.rb', line 126

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

#update_gemfile! ⇒ Object

Move ‘Gemfile` to `gems.rb`.

# File 'lib/utopia/command/site.rb', line 146

def update_gemfile!
	# If `Gemfile` doens't exist, we are done:
	return unless File.exist?('Gemfile')
	
	system("git", "mv", "Gemfile", "gems.rb")
	system("git", "mv", "Gemfile.lock", "gems.locked")
end