From 07e0ec0cfb032f5fd3318ae216fc7a4d1f0996ac Mon Sep 17 00:00:00 2001
From: Petr Korolev <sky4winder@gmail.com>
Date: Mon, 17 Nov 2014 17:54:13 +0200
Subject: [PATCH] Move version to separate file

---
 github_changelog_generator.gemspec        |   2 +-
 lib/github_changelog_generator.rb         | 630 +++++++++++-----------
 lib/github_changelog_generator/parser.rb  | 147 ++---
 lib/github_changelog_generator/version.rb |   3 +
 4 files changed, 397 insertions(+), 385 deletions(-)
 create mode 100644 lib/github_changelog_generator/version.rb

diff --git a/github_changelog_generator.gemspec b/github_changelog_generator.gemspec
index f1721ad..ea9b248 100644
--- a/github_changelog_generator.gemspec
+++ b/github_changelog_generator.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name               = "github_changelog_generator"
-  s.version            = "1.1.2"
+  s.version            = GitHubChangelogGenerator::VERSION
   s.default_executable = "github_changelog_generator"
 
   s.required_ruby_version     = '>= 1.9.3'
diff --git a/lib/github_changelog_generator.rb b/lib/github_changelog_generator.rb
index d04496f..16d9484 100755
--- a/lib/github_changelog_generator.rb
+++ b/lib/github_changelog_generator.rb
@@ -6,371 +6,373 @@ require 'httparty'
 require 'colorize'
 require_relative 'github_changelog_generator/parser'
 
+module GitHubChangelogGenerator
+  class ChangelogGenerator
 
-class ChangelogGenerator
+    attr_accessor :options, :all_tags, :github
 
-  attr_accessor :options, :all_tags, :github
+    def initialize()
 
-  def initialize()
+      @options = Parser.parse_options
 
-    @options = Parser.parse_options
+      github_token
 
-    github_token
+      if @github_token.nil?
+        @github = Github.new
+      else
+        @github = Github.new oauth_token: @github_token
+      end
 
-    if @github_token.nil?
-      @github = Github.new
-    else
-      @github = Github.new oauth_token: @github_token
+      @all_tags = self.get_all_tags
+      @pull_requests = self.get_all_closed_pull_requests
+      @issues = self.get_all_issues
+
+      @tag_times_hash = {}
     end
 
-    @all_tags = self.get_all_tags
-    @pull_requests = self.get_all_closed_pull_requests
-    @issues = self.get_all_issues
-
-    @tag_times_hash = {}
-  end
-
-  def print_json(json)
-    puts JSON.pretty_generate(json)
-  end
-
-  def exec_command(cmd)
-    exec_cmd = "cd #{$project_path} && #{cmd}"
-    %x[#{exec_cmd}]
-  end
-
-
-  def get_all_closed_pull_requests
-    response = @github.pull_requests.list @options[:user], @options[:project], :state => 'closed'
-
-    pull_requests = []
-    response.each_page do |page|
-      pull_requests.concat(page)
+    def print_json(json)
+      puts JSON.pretty_generate(json)
     end
 
-    if @options[:verbose]
-      puts "Receive all pull requests: #{pull_requests.count}"
+    def exec_command(cmd)
+      exec_cmd = "cd #{$project_path} && #{cmd}"
+      %x[#{exec_cmd}]
     end
 
-    pull_requests
-  end
 
-  def compund_changelog
-    if @options[:verbose]
-      puts 'Generating changelog:'
+    def get_all_closed_pull_requests
+      response = @github.pull_requests.list @options[:user], @options[:project], :state => 'closed'
+
+      pull_requests = []
+      response.each_page do |page|
+        pull_requests.concat(page)
+      end
+
+      if @options[:verbose]
+        puts "Receive all pull requests: #{pull_requests.count}"
+      end
+
+      pull_requests
     end
 
-    log = "# Changelog\n\n"
+    def compund_changelog
+      if @options[:verbose]
+        puts 'Generating changelog:'
+      end
 
-    if @options[:last]
-      log += self.generate_log_between_tags(self.all_tags[0], self.all_tags[1])
-    elsif @options[:tag1] && @options[:tag2]
+      log = "# Changelog\n\n"
 
-      tag1 = @options[:tag1]
-      tag2 = @options[:tag2]
-      tags_strings = []
-      self.all_tags.each { |x| tags_strings.push(x['name']) }
+      if @options[:last]
+        log += self.generate_log_between_tags(self.all_tags[0], self.all_tags[1])
+      elsif @options[:tag1] && @options[:tag2]
 
-      if tags_strings.include?(tag1)
-        if tags_strings.include?(tag2)
-          hash = Hash[tags_strings.map.with_index.to_a]
-          index1 = hash[tag1]
-          index2 = hash[tag2]
-          log += self.generate_log_between_tags(self.all_tags[index1], self.all_tags[index2])
+        tag1 = @options[:tag1]
+        tag2 = @options[:tag2]
+        tags_strings = []
+        self.all_tags.each { |x| tags_strings.push(x['name']) }
+
+        if tags_strings.include?(tag1)
+          if tags_strings.include?(tag2)
+            hash = Hash[tags_strings.map.with_index.to_a]
+            index1 = hash[tag1]
+            index2 = hash[tag2]
+            log += self.generate_log_between_tags(self.all_tags[index1], self.all_tags[index2])
+          else
+            puts "Can't find tag #{tag2} -> exit"
+            exit
+          end
         else
-          puts "Can't find tag #{tag2} -> exit"
+          puts "Can't find tag #{tag1} -> exit"
           exit
         end
       else
-        puts "Can't find tag #{tag1} -> exit"
-        exit
-      end
-    else
-      log += self.generate_log_for_all_tags
-    end
-
-    log += "\n\n\\* *This changelog was generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*"
-
-    output_filename = "#{@options[:output]}"
-    File.open(output_filename, 'w') { |file| file.write(log) }
-
-    puts "Done! Generated log placed in #{output_filename}"
-
-  end
-
-  def generate_log_for_all_tags
-    log = ''
-    @all_tags.each {|tag| self.get_time_of_tag(tag)}
-
-
-    if @options[:verbose]
-      puts "Sorting tags.."
-    end
-
-    @all_tags.sort_by! {|x| self.get_time_of_tag(x)}.reverse!
-
-    if @options[:verbose]
-      puts "Generating log.."
-    end
-
-    for index in 1 ... self.all_tags.size
-      log += self.generate_log_between_tags(self.all_tags[index], self.all_tags[index-1])
-    end
-
-    log += self.generate_log_before_tag(self.all_tags.last)
-
-    log
-  end
-
-  def is_megred(number)
-    @github.pull_requests.merged? @options[:user], @options[:project], number
-  end
-
-  def get_all_tags
-
-    url = "https://api.github.com/repos/#{@options[:user]}/#{@options[:project]}/tags"
-
-    if @options[:verbose]
-
-      puts "Receive tags for repo #{url}"
-    end
-
-    response = @github.repos.tags @options[:user], @options[:project]
-
-    tags = []
-    response.each_page do |page|
-      tags.concat(page)
-    end
-
-    if @options[:verbose]
-      puts "Found #{tags.count} tags"
-    end
-
-    tags
-  end
-
-  def github_token
-    if @options[:token]
-      return @github_token ||= @options[:token]
-    end
-
-    env_var = ENV.fetch 'CHANGELOG_GITHUB_TOKEN', nil
-
-    unless env_var
-      puts "Warning: No token provided (-t option) and variable $CHANGELOG_GITHUB_TOKEN was not found.".yellow
-      puts "This script can make only 50 requests to GitHub API per hour without token!".yellow
-    end
-
-    @github_token ||= env_var
-
-  end
-
-
-  def generate_log_between_tags(older_tag, newer_tag)
-    older_tag_time = self.get_time_of_tag(older_tag)
-    newer_tag_time = self.get_time_of_tag(newer_tag)
-
-    # if we mix up tags order - lits fix it!
-    # if older_tag_time < newer_tag_time
-    #   older_tag, newer_tag = newer_tag, older_tag
-    #   older_tag_time, newer_tag_time = newer_tag_time, older_tag_time
-    #   puts "Swap tags!"
-    # end
-
-    newer_tag_name = newer_tag['name']
-
-    pull_requests = Array.new(@pull_requests)
-
-    pull_requests.delete_if { |req|
-      if req[:merged_at]
-        t = Time.parse(req[:merged_at]).utc
-        tag_is_older_of_older = t > older_tag_time
-        tag_is_newer_than_new = t <= newer_tag_time
-
-        tag_not_in_range = (tag_is_older_of_older) && (tag_is_newer_than_new)
-        !tag_not_in_range
-      else
-        true
+        log += self.generate_log_for_all_tags
       end
 
-    }
+      log += "\n\n\\* *This changelog was generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*"
 
-    issues = Array.new(@issues)
+      output_filename = "#{@options[:output]}"
+      File.open(output_filename, 'w') { |file| file.write(log) }
 
-    issues.delete_if { |issue|
-      if issue[:closed_at]
-        t = Time.parse(issue[:closed_at]).utc
-        tag_is_later_since = t > older_tag_time
-        tag_is_before_till = t <= newer_tag_time
+      puts "Done! Generated log placed in #{output_filename}"
 
-        in_range = (tag_is_later_since) && (tag_is_before_till)
-        !in_range
-      else
-        true
+    end
+
+    def generate_log_for_all_tags
+      log = ''
+      @all_tags.each { |tag| self.get_time_of_tag(tag) }
+
+
+      if @options[:verbose]
+        puts "Sorting tags.."
       end
 
-    }
+      @all_tags.sort_by! { |x| self.get_time_of_tag(x) }.reverse!
 
-    self.create_log(pull_requests, issues, newer_tag_name, newer_tag_time)
-
-  end
-
-  def generate_log_before_tag(tag)
-    tag_time = self.get_time_of_tag(tag)
-    tag_name = tag['name']
-
-    pull_requests = Array.new(@pull_requests)
-
-    pull_requests.delete_if { |req|
-      if req[:merged_at]
-        t = Time.parse(req[:merged_at]).utc
-        t > tag_time
-      else
-        true
+      if @options[:verbose]
+        puts "Generating log.."
       end
 
-    }
-
-    issues = Array.new(@issues)
-
-    issues.delete_if { |issue|
-      if issue[:closed_at]
-        t = Time.parse(issue[:closed_at]).utc
-        t > tag_time
-      else
-        true
+      for index in 1 ... self.all_tags.size
+        log += self.generate_log_between_tags(self.all_tags[index], self.all_tags[index-1])
       end
-    }
 
-    self.create_log(pull_requests, issues, tag_name, tag_time)
+      log += self.generate_log_before_tag(self.all_tags.last)
 
-  end
+      log
+    end
 
-  def create_log(pull_requests, issues, tag_name, tag_time)
+    def is_megred(number)
+      @github.pull_requests.merged? @options[:user], @options[:project], number
+    end
 
-    # Generate tag name and link
-    trimmed_tag = tag_name.tr('v', '')
-    log = "## [#{trimmed_tag}] (https://github.com/#{@options[:user]}/#{@options[:project]}/tree/#{tag_name})\n"
+    def get_all_tags
 
-    #Generate date string:
-    time_string = tag_time.strftime @options[:format]
-    log += "#### #{time_string}\n"
+      url = "https://api.github.com/repos/#{@options[:user]}/#{@options[:project]}/tags"
 
-    if @options[:pulls]
-      # Generate pull requests:
-      if pull_requests
-        pull_requests.each { |dict|
-          merge = "#{@options[:merge_prefix]}#{dict[:title]} [\\##{dict[:number]}](#{dict.html_url})\n\n"
+      if @options[:verbose]
+
+        puts "Receive tags for repo #{url}"
+      end
+
+      response = @github.repos.tags @options[:user], @options[:project]
+
+      tags = []
+      response.each_page do |page|
+        tags.concat(page)
+      end
+
+      if @options[:verbose]
+        puts "Found #{tags.count} tags"
+      end
+
+      tags
+    end
+
+    def github_token
+      if @options[:token]
+        return @github_token ||= @options[:token]
+      end
+
+      env_var = ENV.fetch 'CHANGELOG_GITHUB_TOKEN', nil
+
+      unless env_var
+        puts "Warning: No token provided (-t option) and variable $CHANGELOG_GITHUB_TOKEN was not found.".yellow
+        puts "This script can make only 50 requests to GitHub API per hour without token!".yellow
+      end
+
+      @github_token ||= env_var
+
+    end
+
+
+    def generate_log_between_tags(older_tag, newer_tag)
+      older_tag_time = self.get_time_of_tag(older_tag)
+      newer_tag_time = self.get_time_of_tag(newer_tag)
+
+      # if we mix up tags order - lits fix it!
+      # if older_tag_time < newer_tag_time
+      #   older_tag, newer_tag = newer_tag, older_tag
+      #   older_tag_time, newer_tag_time = newer_tag_time, older_tag_time
+      #   puts "Swap tags!"
+      # end
+
+      newer_tag_name = newer_tag['name']
+
+      pull_requests = Array.new(@pull_requests)
+
+      pull_requests.delete_if { |req|
+        if req[:merged_at]
+          t = Time.parse(req[:merged_at]).utc
+          tag_is_older_of_older = t > older_tag_time
+          tag_is_newer_than_new = t <= newer_tag_time
+
+          tag_not_in_range = (tag_is_older_of_older) && (tag_is_newer_than_new)
+          !tag_not_in_range
+        else
+          true
+        end
+
+      }
+
+      issues = Array.new(@issues)
+
+      issues.delete_if { |issue|
+        if issue[:closed_at]
+          t = Time.parse(issue[:closed_at]).utc
+          tag_is_later_since = t > older_tag_time
+          tag_is_before_till = t <= newer_tag_time
+
+          in_range = (tag_is_later_since) && (tag_is_before_till)
+          !in_range
+        else
+          true
+        end
+
+      }
+
+      self.create_log(pull_requests, issues, newer_tag_name, newer_tag_time)
+
+    end
+
+    def generate_log_before_tag(tag)
+      tag_time = self.get_time_of_tag(tag)
+      tag_name = tag['name']
+
+      pull_requests = Array.new(@pull_requests)
+
+      pull_requests.delete_if { |req|
+        if req[:merged_at]
+          t = Time.parse(req[:merged_at]).utc
+          t > tag_time
+        else
+          true
+        end
+
+      }
+
+      issues = Array.new(@issues)
+
+      issues.delete_if { |issue|
+        if issue[:closed_at]
+          t = Time.parse(issue[:closed_at]).utc
+          t > tag_time
+        else
+          true
+        end
+      }
+
+      self.create_log(pull_requests, issues, tag_name, tag_time)
+
+    end
+
+    def create_log(pull_requests, issues, tag_name, tag_time)
+
+      # Generate tag name and link
+      trimmed_tag = tag_name.tr('v', '')
+      log = "## [#{trimmed_tag}] (https://github.com/#{@options[:user]}/#{@options[:project]}/tree/#{tag_name})\n"
+
+      #Generate date string:
+      time_string = tag_time.strftime @options[:format]
+      log += "#### #{time_string}\n"
+
+      if @options[:pulls]
+        # Generate pull requests:
+        if pull_requests
+          pull_requests.each { |dict|
+            merge = "#{@options[:merge_prefix]}#{dict[:title]} [\\##{dict[:number]}](#{dict.html_url})\n\n"
+            log += "- #{merge}"
+          }
+        end
+      end
+
+      if @options[:issues]
+        # Generate issues:
+        if issues
+          issues.sort! { |x, y|
+            if x.labels.any? && y.labels.any?
+              x.labels[0].name <=> y.labels[0].name
+            else
+              if x.labels.any?
+                1
+              else
+                if y.labels.any?
+                  -1
+                else
+                  0
+                end
+              end
+            end
+          }.reverse!
+        end
+        issues.each { |dict|
+          is_bug = false
+          is_enhancement = false
+          dict.labels.each { |label|
+            if label.name == 'bug'
+              is_bug = true
+            end
+            if label.name == 'enhancement'
+              is_enhancement = true
+            end
+          }
+
+          intro = 'Closed issue'
+          if is_bug
+            intro = 'Fixed bug'
+          end
+
+          if is_enhancement
+            intro = 'Implemented enhancement'
+          end
+
+          merge = "*#{intro}:* #{dict[:title]} [\\##{dict[:number]}](#{dict.html_url})\n\n"
           log += "- #{merge}"
         }
       end
+      log
     end
 
-    if @options[:issues]
-      # Generate issues:
-      if issues
-        issues.sort! { |x, y|
-          if x.labels.any? && y.labels.any?
-            x.labels[0].name <=> y.labels[0].name
-          else
-            if x.labels.any?
-              1
-            else
-              if y.labels.any?
-                -1
-              else
-                0
-              end
-            end
-          end
-        }.reverse!
+    def get_time_of_tag(prev_tag)
+
+      if @tag_times_hash[prev_tag['name']]
+        return @tag_times_hash[prev_tag['name']]
       end
-      issues.each { |dict|
-        is_bug = false
-        is_enhancement = false
-        dict.labels.each { |label|
-          if label.name == 'bug'
-            is_bug = true
-          end
-          if label.name == 'enhancement'
-            is_enhancement = true
-          end
+
+      if @options[:verbose]
+        puts "Getting time for tag #{prev_tag['name']}"
+      end
+
+      github_git_data_commits_get = @github.git_data.commits.get @options[:user], @options[:project], prev_tag['commit']['sha']
+      time_string = github_git_data_commits_get['committer']['date']
+      Time.parse(time_string)
+      @tag_times_hash[prev_tag['name']] = Time.parse(time_string)
+    end
+
+    def get_all_issues
+      response = @github.issues.list user: @options[:user], repo: @options[:project], state: 'closed', filter: 'all', labels: nil
+
+
+      issues = []
+      response.each_page do |page|
+        issues.concat(page)
+      end
+
+      # remove pull request from issues:
+      issues.select! { |x|
+        x.pull_request == nil
+      }
+
+      if @options[:verbose]
+        puts "Receive all closed issues: #{issues.count}"
+      end
+
+      filtered_issues = issues.select { |issue|
+        #compare is there any labels from @options[:labels] array
+        (issue.labels.map { |label| label.name } & @options[:labels]).any?
+      }
+
+      if @options[:add_issues_wo_labels]
+        issues_wo_labels = issues.select {
+          # add issues without any labels
+            |issue| !issue.labels.map { |label| label.name }.any?
         }
+        filtered_issues.concat(issues_wo_labels)
+      end
 
-        intro = 'Closed issue'
-        if is_bug
-          intro = 'Fixed bug'
-        end
+      if @options[:verbose]
+        puts "Filter issues with labels #{@options[:labels]}#{@options[:add_issues_wo_labels] ? ' and w/o labels' : ''}: #{filtered_issues.count} issues"
+      end
 
-        if is_enhancement
-          intro = 'Implemented enhancement'
-        end
+      filtered_issues
 
-        merge = "*#{intro}:* #{dict[:title]} [\\##{dict[:number]}](#{dict.html_url})\n\n"
-        log += "- #{merge}"
-      }
     end
-    log
-  end
-
-  def get_time_of_tag(prev_tag)
-
-    if @tag_times_hash[prev_tag['name']]
-      return @tag_times_hash[prev_tag['name']]
-    end
-
-    if @options[:verbose]
-      puts "Getting time for tag #{prev_tag['name']}"
-    end
-
-    github_git_data_commits_get = @github.git_data.commits.get @options[:user], @options[:project], prev_tag['commit']['sha']
-    time_string = github_git_data_commits_get['committer']['date']
-    Time.parse(time_string)
-    @tag_times_hash[prev_tag['name']] = Time.parse(time_string)
-  end
-
-  def get_all_issues
-    response = @github.issues.list user: @options[:user], repo: @options[:project], state: 'closed', filter: 'all', labels: nil
-
-
-    issues = []
-    response.each_page do |page|
-      issues.concat(page)
-    end
-
-    # remove pull request from issues:
-    issues.select! { |x|
-      x.pull_request == nil
-    }
-
-    if @options[:verbose]
-      puts "Receive all closed issues: #{issues.count}"
-    end
-
-    filtered_issues = issues.select { |issue|
-      #compare is there any labels from @options[:labels] array
-      (issue.labels.map { |label| label.name } & @options[:labels]).any?
-    }
-
-    if @options[:add_issues_wo_labels]
-      issues_wo_labels = issues.select {
-        # add issues without any labels
-          |issue| !issue.labels.map { |label| label.name }.any?
-      }
-      filtered_issues.concat(issues_wo_labels)
-    end
-
-    if @options[:verbose]
-      puts "Filter issues with labels #{@options[:labels]}#{@options[:add_issues_wo_labels]? ' and w/o labels' : ''}: #{filtered_issues.count} issues"
-    end
-
-    filtered_issues
 
   end
 
-end
+  if __FILE__ == $0
+    changelog_generator = ChangelogGenerator.new
+    changelog_generator.compund_changelog
+  end
 
-if __FILE__ == $0
-  changelog_generator = ChangelogGenerator.new
-  changelog_generator.compund_changelog
-end
+end
\ No newline at end of file
diff --git a/lib/github_changelog_generator/parser.rb b/lib/github_changelog_generator/parser.rb
index fe8f9b4..1bd08f8 100644
--- a/lib/github_changelog_generator/parser.rb
+++ b/lib/github_changelog_generator/parser.rb
@@ -1,81 +1,88 @@
 #!/usr/bin/env ruby
 require 'optparse'
+require_relative 'version'
 
-class Parser
-  def self.parse_options
-    options = {:tag1 => nil, :tag2 => nil, :format => '%d/%m/%y', :output => 'CHANGELOG.md', :labels => %w(bug enhancement), :pulls => true, :issues => true, :verbose => true, :add_issues_wo_labels => true, :merge_prefix => '*Merged pull-request:* ' }
+module GitHubChangelogGenerator
+  class Parser
+    def self.parse_options
+      options = {:tag1 => nil, :tag2 => nil, :format => '%d/%m/%y', :output => 'CHANGELOG.md', :labels => %w(bug enhancement), :pulls => true, :issues => true, :verbose => true, :add_issues_wo_labels => true, :merge_prefix => '*Merged pull-request:* '}
 
-    parser = OptionParser.new { |opts|
-      opts.banner = 'Usage: changelog_generator [options]'
-      opts.on('-u', '--user [USER]', 'Username of the owner of target GitHub repo') do |last|
-        options[:user] = last
-      end
-      opts.on('-p', '--project [PROJECT]', 'Name of project on GitHub') do |last|
-        options[:project] = last
-      end
-      opts.on('-t', '--token [TOKEN]', 'To make more than 50 requests this script required your OAuth token for GitHub. You can generate here: https://github.com/settings/tokens/new') do |last|
-        options[:token] = last
-      end
-      opts.on('-h', '--help', 'Displays Help') do
-        puts opts
+      parser = OptionParser.new { |opts|
+        opts.banner = 'Usage: changelog_generator [options]'
+        opts.on('-u', '--user [USER]', 'Username of the owner of target GitHub repo') do |last|
+          options[:user] = last
+        end
+        opts.on('-p', '--project [PROJECT]', 'Name of project on GitHub') do |last|
+          options[:project] = last
+        end
+        opts.on('-t', '--token [TOKEN]', 'To make more than 50 requests this script required your OAuth token for GitHub. You can generate here: https://github.com/settings/tokens/new') do |last|
+          options[:token] = last
+        end
+        opts.on('-h', '--help', 'Displays Help') do
+          puts opts
+          exit
+        end
+        opts.on('--[no-]verbose', 'Run verbosely. Default is true') do |v|
+          options[:verbose] = v
+        end
+        opts.on('--[no-]issues', 'Include closed issues to changelog. Default is true') do |v|
+          options[:issues] = v
+        end
+        opts.on('--[no-]issues-without-labels', 'Include closed issues without any labels to changelog. Default is true') do |v|
+          options[:add_issues_wo_labels] = v
+        end
+        opts.on('--[no-]pull-requests', 'Include pull-requests to changelog. Default is true') do |v|
+          options[:pulls] = v
+        end
+        opts.on('-l', '--last-changes', 'Generate log between last 2 tags only') do |last|
+          options[:last] = last
+        end
+        opts.on('-f', '--date-format [FORMAT]', 'Date format. Default is %d/%m/%y') do |last|
+          options[:format] = last
+        end
+        opts.on('-o', '--output [NAME]', 'Output file. Default is CHANGELOG.md') do |last|
+          options[:output] = last
+        end
+        opts.on('--labels  x,y,z', Array, 'List of labels. Issues with that labels will be included to changelog. Default is \'bug,enhancement\'') do |list|
+          options[:labels] = list
+        end
+        opts.on('-v', '--version', 'Print version number') do |v|
+          puts "Version: #{GitHubChangelogGenerator::VERSION}"
+          exit
+        end
+      }
+
+      parser.parse!
+
+      #udefined case with 1 parameter:
+      if ARGV[0] && !ARGV[1]
+        puts parser.banner
         exit
       end
-      opts.on('-v', '--[no-]verbose', 'Run verbosely. Default is true') do |v|
-        options[:verbose] = v
-      end
-      opts.on('--[no-]issues', 'Include closed issues to changelog. Default is true') do |v|
-        options[:issues] = v
-      end
-      opts.on('--[no-]issues-without-labels', 'Include closed issues without any labels to changelog. Default is true') do |v|
-        options[:add_issues_wo_labels] = v
-      end
-      opts.on('--[no-]pull-requests', 'Include pull-requests to changelog. Default is true') do |v|
-        options[:pulls] = v
-      end
-      opts.on('-l', '--last-changes', 'Generate log between last 2 tags only') do |last|
-        options[:last] = last
-      end
-      opts.on('-f', '--date-format [FORMAT]', 'Date format. Default is %d/%m/%y') do |last|
-        options[:format] = last
-      end
-      opts.on('-o', '--output [NAME]', 'Output file. Default is CHANGELOG.md') do |last|
-        options[:output] = last
-      end
-      opts.on('--labels  x,y,z', Array, 'List of labels. Issues with that labels will be included to changelog. Default is \'bug,enhancement\'') do |list|
-        options[:labels] = list
-      end
-    }
 
-    parser.parse!
+      if !options[:user] && !options[:project]
+        remote = `git remote -vv`.split("\n")
+        match = /.*(?:[:\/])((?:-|\w|\.)*)\/((?:-|\w|\.)*)\.git.*/.match(remote[0])
 
-    #udefined case with 1 parameter:
-    if ARGV[0] && !ARGV[1]
-      puts parser.banner
-      exit
+        if match && match[1] && match[2]
+          puts "Detected user:#{match[1]}, project:#{match[2]}"
+          options[:user], options[:project] = match[1], match[2]
+        end
+      end
+
+
+      if !options[:user] || !options[:project]
+        puts parser.banner
+        exit
+      end
+
+      if ARGV[1]
+        options[:tag1] = ARGV[0]
+        options[:tag2] = ARGV[1]
+
+      end
+
+      options
     end
-
-    if !options[:user] && !options[:project]
-      remote = `git remote -vv`.split("\n")
-      match = /.*(?:[:\/])((?:-|\w|\.)*)\/((?:-|\w|\.)*)\.git.*/.match(remote[0])
-
-      if match && match[1] && match[2]
-        puts "Detected user:#{match[1]}, project:#{match[2]}"
-        options[:user], options[:project] = match[1], match[2]
-      end
-    end
-
-
-    if !options[:user] || !options[:project]
-      puts parser.banner
-      exit
-    end
-
-    if ARGV[1]
-      options[:tag1] = ARGV[0]
-      options[:tag2] = ARGV[1]
-
-    end
-
-    options
   end
 end
\ No newline at end of file
diff --git a/lib/github_changelog_generator/version.rb b/lib/github_changelog_generator/version.rb
new file mode 100644
index 0000000..0ad5364
--- /dev/null
+++ b/lib/github_changelog_generator/version.rb
@@ -0,0 +1,3 @@
+module GitHubChangelogGenerator
+  VERSION = '1.1.2'
+end