highline-symfony-style.rb

require "highline/import"

class HighLine
    alias_method :orig_ask, :ask

    def ask(question, answer_type = String, &details)
        question = "<%= color('#{question}', :green) %>: "
        orig_ask(question, answer_type = String, &details)
    end

    class Question
        def append_default
            default = "[<%= color('#{@default}', :yellow) %>]"
            if @question =~ /(.+):([\t ]+)\Z/
                @question = "#{$1} #{default}:#{$2}"
            else
                @question << default
            end
        end
    end
end

site_name = HighLine.new.ask("Enter sitename") do |q|
    q.validate = /[a-z_]/
end
host_name = HighLine.new.ask("Enter hostname") do |q|
    q.default="#{site_name}.no"
end

puts "Site name: #{site_name}, Host name: #{host_name}"