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

#call ⇒ Object 



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# File 'lib/utopia/command/site.rb', line 145

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!
      
      # 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 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