def process(args, opts)
if !args || args.empty?
raise Jekyll::Errors::InvalidThemeName, "You must specify a theme name."
end
new_theme_name = args.join("_")
theme = Jekyll::ThemeBuilder.new(new_theme_name, opts)
Jekyll.logger.abort_with "Conflict:", "#{theme.path} already exists." if theme.path.exist?
theme.create!
Jekyll.logger.info "Your new Jekyll theme, #{theme.name.cyan}, " \
"is ready for you in #{theme.path.to_s.cyan}!"
Jekyll.logger.info "For help getting started, read #{theme.path}/README.md."
end