This gist creates releases for opscode/knife-rackspace based on the changelog.txt file. You will need to supply a username and a personal access token.

release_log_knife.rb

require 'singleton'
require 'octokit'

class ReleaseNotesGenerator
  include Singleton
  
  def release_header?
    release_match != nil
  end
  
  def release_match
    @current_line.match(/##\s*v(\d+\.\d+\.\d+)/)
  end

  # def print_release
  #   puts "+" * 50
  #   puts "====[#{@release_tag}]"
  #   puts @release
  #   puts "+" * 50
  #   puts "The is space is blank\n"
  # end
  
  def github
    @client ||= ::Octokit::Client.new :login => USERNAME, :password => PERSONAL_ACCESS_TOKEN
  end
  
  def add_release
    github.create_release "krames/knife-rackspace", @release_tag, {:name => @release_tag, :body => @release}
    puts "creating release #{@release_tag}"
  end
  
  def set_release_vars
    @header = @current_line
    @release_tag = release_match[1]
    @release_tag = "v0.7.0" if @release_tag == "0.7.0"
  end
  
  def section_header?
    @current_line.match(/\[[^\]]+\]/) != nil
  end
  
  def inside_release_details?
    @inside_release_details
  end
  
  def reset_variables
    @release = ""
    @inside_release_details = false
  end


  def parse(file_name)
    File.open(file_name) do |file|
      @file = file
      @release = nil
      @releases = []
  
      file.each_line do |line|
        @current_line = line
        if release_header?
          add_release if @release

          # print_release if @release
          set_release_vars
          reset_variables
        else          
           @inside_release_details ||= section_header?
          @release << @current_line
        end
    
      end
    end
  end
end


ReleaseNotesGenerator.instance.parse '/Users/krames/Projects/knife-rackspace/CHANGELOG.md'