add parse option --filter-pull-requests

lib/github_changelog_generator.rb

@@ -61,19 +61,36 @@ module GitHubChangelogGenerator
         puts "Received all closed pull requests: #{pull_requests.count}"
       end
 
+      unless @options[:pull_request_labels].nil?
+
+        if @options[:verbose]
+          puts 'Filter all pull requests by labels.'
+        end
+
         filtered_pull_requests = pull_requests.select { |pull_request|
           #We need issue to fetch labels
           issue = @github.issues.get @options[:user], @options[:project], pull_request.number
           #compare is there any labels from @options[:labels] array
           select_no_label = !issue.labels.map { |label| label.name }.any?
-        select_by_label = (issue.labels.map { |label| label.name } & @options[:labels]).any?
+
+          if @options[:verbose]
+            puts "Filter request \##{issue.number}."
+          end
+
+          if @options[:pull_request_labels].any?
+            select_by_label = (issue.labels.map { |label| label.name } & @options[:pull_request_labels]).any?
+          else
+            select_by_label = false
+          end
+
           select_by_label | select_no_label
         }
 
         if @options[:verbose]
           puts "Filtered pull requests with specified labels and w/o labels: #{filtered_pull_requests.count}"
         end
-
+        return filtered_pull_requests
+      end
       pull_requests
     end
 

lib/github_changelog_generator/parser.rb

@@ -6,7 +6,7 @@ require_relative 'version'
 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:* ', :author => true}
+      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:* ', :author => true, :pull_request_labels => %w(bug enhancement)}
 
       parser = OptionParser.new { |opts|
         opts.banner = 'Usage: changelog_generator [options]'
@@ -47,9 +47,12 @@ module GitHubChangelogGenerator
         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|
+        opts.on('--labels  x,y,z', Array, 'Issues with that labels will be included to changelog. Default is \'bug,enhancement\'') do |list|
           options[:labels] = list
         end
+        opts.on('--filter-pull-requests  x,y,z', Array, 'Pull requests with that labels will be included to changelog. pull requests w\o labels will be included anyway.  Default is \'bug,enhancement\'') do |list|
+          options[:pull_request_labels] = list
+        end
         opts.on('-v', '--version', 'Print version number') do |v|
           puts "Version: #{GitHubChangelogGenerator::VERSION}"
           exit