Genrated files by command ronn ./man/git-generate-changelog.md

Add base option to RakeTask

.rubocop.yml

@@ -14,3 +14,7 @@ Metrics/ClassLength:
 # Configuration parameters: CountComments.
 Metrics/MethodLength:
     Enabled: false
+
+Style/FileName:
+    Exclude:
+      - 'bin/git-generate-changelog'

.travis.yml

@@ -1,6 +1,5 @@
-sudo: false
-cache: bundler
 language: ruby
+before_install: gem update --system
 rvm:
 - 2.1.0
 script:

CHANGELOG.md

@@ -1,5 +1,73 @@
 # Change Log
 
+## [1.9.0](https://github.com/skywinder/github-changelog-generator/tree/1.9.0) (2015-09-17)
+[Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.8.5...1.9.0)
+
+**Implemented enhancements:**
+
+- Feature: exclude\_tags using regular expression [\#281](https://github.com/skywinder/github-changelog-generator/pull/281) ([olleolleolle](https://github.com/olleolleolle))
+- Auto parse options from file .github\_changelog\_generator [\#278](https://github.com/skywinder/github-changelog-generator/pull/278) ([dlanileonardo](https://github.com/dlanileonardo))
+
+## [1.8.5](https://github.com/skywinder/github-changelog-generator/tree/1.8.5) (2015-09-15)
+[Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.8.4...1.8.5)
+
+**Merged pull requests:**
+
+- Rake task: Be able to set false value in config [\#279](https://github.com/skywinder/github-changelog-generator/pull/279) ([olleolleolle](https://github.com/olleolleolle))
+
+## [1.8.4](https://github.com/skywinder/github-changelog-generator/tree/1.8.4) (2015-09-01)
+[Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.8.3...1.8.4)
+
+**Fixed bugs:**
+
+- Sending OATH through -t fails [\#274](https://github.com/skywinder/github-changelog-generator/issues/274)
+
+## [1.8.3](https://github.com/skywinder/github-changelog-generator/tree/1.8.3) (2015-08-31)
+[Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.8.2...1.8.3)
+
+**Merged pull requests:**
+
+- Do not alter pull\_requests while iterating on it [\#271](https://github.com/skywinder/github-changelog-generator/pull/271) ([raphink](https://github.com/raphink))
+
+## [1.8.2](https://github.com/skywinder/github-changelog-generator/tree/1.8.2) (2015-08-26)
+[Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.8.1...1.8.2)
+
+**Closed issues:**
+
+- Output should not include security information [\#270](https://github.com/skywinder/github-changelog-generator/issues/270)
+
+**Merged pull requests:**
+
+- This PRi will fix \#274. [\#275](https://github.com/skywinder/github-changelog-generator/pull/275) ([skywinder](https://github.com/skywinder))
+
+## [1.8.1](https://github.com/skywinder/github-changelog-generator/tree/1.8.1) (2015-08-25)
+[Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.8.0...1.8.1)
+
+**Implemented enhancements:**
+
+- Honor labels for Pull Requests [\#266](https://github.com/skywinder/github-changelog-generator/pull/266) ([raphink](https://github.com/raphink))
+
+**Merged pull requests:**
+
+- Fix issue with missing events \(in case of events for issue \>30\) [\#268](https://github.com/skywinder/github-changelog-generator/pull/268) ([skywinder](https://github.com/skywinder))
+- Use since\_tag as default for older\_tag [\#267](https://github.com/skywinder/github-changelog-generator/pull/267) ([raphink](https://github.com/raphink))
+
+## [1.8.0](https://github.com/skywinder/github-changelog-generator/tree/1.8.0) (2015-08-24)
+[Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.7.0...1.8.0)
+
+**Implemented enhancements:**
+
+- Generate change log since/due specific tag [\#254](https://github.com/skywinder/github-changelog-generator/issues/254)
+- Add --base option [\#258](https://github.com/skywinder/github-changelog-generator/pull/258) ([raphink](https://github.com/raphink))
+
+**Merged pull requests:**
+
+- Add `--due-tag` option [\#265](https://github.com/skywinder/github-changelog-generator/pull/265) ([skywinder](https://github.com/skywinder))
+- Add release\_url to rake task options [\#264](https://github.com/skywinder/github-changelog-generator/pull/264) ([raphink](https://github.com/raphink))
+- Add a rake task [\#260](https://github.com/skywinder/github-changelog-generator/pull/260) ([raphink](https://github.com/raphink))
+- Add release\_url option [\#259](https://github.com/skywinder/github-changelog-generator/pull/259) ([raphink](https://github.com/raphink))
+- Add --since-tag [\#257](https://github.com/skywinder/github-changelog-generator/pull/257) ([raphink](https://github.com/raphink))
+
 ## [1.7.0](https://github.com/skywinder/github-changelog-generator/tree/1.7.0) (2015-07-16)
 [Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.6.2...1.7.0)
 
@@ -79,6 +147,7 @@
 
 - Parsing of existing Change Log file [\#212](https://github.com/skywinder/github-changelog-generator/issues/212)
 - Warn users about 0 tags in repo. [\#208](https://github.com/skywinder/github-changelog-generator/issues/208)
+- Cleanup [\#220](https://github.com/skywinder/github-changelog-generator/pull/220) ([tuexss](https://github.com/tuexss))
 
 **Closed issues:**
 
@@ -88,7 +157,6 @@
 
 - Implement fetcher class [\#227](https://github.com/skywinder/github-changelog-generator/pull/227) ([skywinder](https://github.com/skywinder))
 - Add coveralls integration [\#223](https://github.com/skywinder/github-changelog-generator/pull/223) ([skywinder](https://github.com/skywinder))
-- Cleanup [\#220](https://github.com/skywinder/github-changelog-generator/pull/220) ([tuexss](https://github.com/tuexss))
 - Rspec & rubocop integration [\#217](https://github.com/skywinder/github-changelog-generator/pull/217) ([skywinder](https://github.com/skywinder))
 - Implement Reader class to parse ChangeLog.md [\#216](https://github.com/skywinder/github-changelog-generator/pull/216) ([estahn](https://github.com/estahn))
 - Relatively require github\_changelog\_generator library [\#207](https://github.com/skywinder/github-changelog-generator/pull/207) ([sneal](https://github.com/sneal))
@@ -104,7 +172,7 @@
 ## [1.3.10](https://github.com/skywinder/github-changelog-generator/tree/1.3.10) (2015-03-18)
 [Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.3.9...1.3.10)
 
-**Merged pull requests:**
+**Fixed bugs:**
 
 - Fix termination in case of empty unreleased section with `--unreleased-only` option. [\#70](https://github.com/skywinder/github-changelog-generator/pull/70) ([skywinder](https://github.com/skywinder))
 
@@ -115,7 +183,7 @@
 
 - Improve method of detecting owner and repository [\#63](https://github.com/skywinder/github-changelog-generator/issues/63)
 
-**Merged pull requests:**
+**Fixed bugs:**
 
 - Resolved concurrency problem in case of issues \> 2048 [\#65](https://github.com/skywinder/github-changelog-generator/pull/65) ([skywinder](https://github.com/skywinder))
 
@@ -189,7 +257,7 @@
 ## [1.2.7](https://github.com/skywinder/github-changelog-generator/tree/1.2.7) (2015-01-26)
 [Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.2.6...1.2.7)
 
-**Merged pull requests:**
+**Implemented enhancements:**
 
 - Add compare link between older version and newer version [\#46](https://github.com/skywinder/github-changelog-generator/pull/46) ([sue445](https://github.com/sue445))
 
@@ -206,15 +274,12 @@
 **Implemented enhancements:**
 
 - Use milestone to specify in which version bug was fixed [\#22](https://github.com/skywinder/github-changelog-generator/issues/22)
+- support enterprise github via command line options [\#42](https://github.com/skywinder/github-changelog-generator/pull/42) ([glenlovett](https://github.com/glenlovett))
 
 **Fixed bugs:**
 
 - Error when trying to generate log for repo without tags [\#32](https://github.com/skywinder/github-changelog-generator/issues/32)
-
-**Merged pull requests:**
-
 - PrettyPrint class is included using lowercase 'pp' [\#43](https://github.com/skywinder/github-changelog-generator/pull/43) ([schwing](https://github.com/schwing))
-- support enterprise github via command line options [\#42](https://github.com/skywinder/github-changelog-generator/pull/42) ([glenlovett](https://github.com/glenlovett))
 
 ## [1.2.4](https://github.com/skywinder/github-changelog-generator/tree/1.2.4) (2014-12-16)
 [Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.2.3...1.2.4)
@@ -323,6 +388,7 @@
 
 - Add support for fixed issues and implemented enchanments. [\#6](https://github.com/skywinder/github-changelog-generator/issues/6)
 - Implement option to specify output filename [\#4](https://github.com/skywinder/github-changelog-generator/issues/4)
+- Implement support of different tags. [\#8](https://github.com/skywinder/github-changelog-generator/pull/8) ([skywinder](https://github.com/skywinder))
 
 **Fixed bugs:**
 
@@ -330,7 +396,6 @@
 
 **Merged pull requests:**
 
-- Implement support of different tags. [\#8](https://github.com/skywinder/github-changelog-generator/pull/8) ([skywinder](https://github.com/skywinder))
 - Add support for issues in CHANGELOG [\#7](https://github.com/skywinder/github-changelog-generator/pull/7) ([skywinder](https://github.com/skywinder))
 
 ## [0.1.0](https://github.com/skywinder/github-changelog-generator/tree/0.1.0) (2014-11-07)

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    github_changelog_generator (1.7.0)
+    github_changelog_generator (1.9.0)
       colorize (~> 0.7)
       github_api (~> 0.12)
 
@@ -29,13 +29,13 @@ GEM
       unf (>= 0.0.5, < 1.0.0)
     faraday (0.9.1)
       multipart-post (>= 1.2, < 3)
-    github_api (0.12.3)
+    github_api (0.12.4)
       addressable (~> 2.3)
       descendants_tracker (~> 0.0.4)
       faraday (~> 0.8, < 0.10)
-      hashie (>= 3.3)
+      hashie (>= 3.4)
       multi_json (>= 1.7.5, < 2.0)
-      nokogiri (~> 1.6.3)
+      nokogiri (~> 1.6.6)
       oauth2
     hashie (3.4.2)
     http-cookie (1.0.2)
@@ -112,3 +112,6 @@ DEPENDENCIES
   rspec (~> 3.2)
   rubocop (~> 0.31)
   simplecov (~> 0.10)
+
+BUNDLED WITH
+   1.10.6

README.md

@@ -84,6 +84,16 @@ Type `github_changelog_generator --help` for details.
 
 More detailed info about params you can find in Wiki page: [**Advanced change log generation examples**](https://github.com/skywinder/github-changelog-generator/wiki/Advanced-change-log-generation-examples)
 
+### Params File
+You can put Params in a .github_changelog_generator file in Project Root to override default params:
+
+Example:
+```
+unreleased=false
+future-release=5.0.0
+since-tag=1.0.0
+```
+
 ### GitHub token
 
 Since GitHub allows you to make only 50 requests without authentication it's recommended to run this script with a token (`-t, --token` option)
@@ -92,7 +102,7 @@ Since GitHub allows you to make only 50 requests without authentication it's rec
 
 And:
 
-- Run with key `-t [your-16-digit-token]` 
+- Run with key `-t [your-40-digit-token]`
 - Or set environment variable `CHANGELOG_GITHUB_TOKEN` and specify there your token.
 
 	i.e. add to your `~/.bash_profile` or `~/.zshrc` or any other place to load ENV variables string :
@@ -104,6 +114,14 @@ So, if you got error like this:
 
 It's time to create this token or wait for 1 hour before GitHub reset the counter for your IP.
 
+## Migrating from a manual changelog
+
+Knowing how dedicated you are to your project, you probably haven't been waiting for github-changelog-generator to keep a changelog,
+but you most likely wouln't like to have to open issues and PRs for all past features listed in your historic changelog.
+
+That's where `--base` comes handy. This option lets you pass a static changelog to be appended at the end of the generated entries.
+
+If you have a `HISTORY.md` file in your project, it will automatically be picked as the static historical changelog and appended.
 
 ### Rake task
 
@@ -203,6 +221,8 @@ If you're seeing this warning:
 6. Create a new Pull Request
 7. Profit! :white_check_mark:
 
+*To test change log workflow you can use [test repo](https://github.com/skywinder/changelog_test/)*
+
 ## License
 
 Github Changelog Generator is released under the [MIT License](http://www.opensource.org/licenses/MIT).

bin/git-generate-changelog

@@ -0,0 +1,4 @@
+#! /usr/bin/env ruby
+
+require_relative "../lib/github_changelog_generator"
+GitHubChangelogGenerator::ChangelogGenerator.new.run

ext/mkrf_conf.rb

@@ -0,0 +1,10 @@
+PREFIX = "/usr/local"
+MANPREFIX = "#{PREFIX}/share/man/man1"
+MAN_PAGES = "man/git-*"
+
+require "fileutils"
+
+Dir.glob(MAN_PAGES).each do |f|
+  filename = File.basename(f)
+  FileUtils.cp(f, "#{MANPREFIX}/#{filename}")
+end

github_changelog_generator.gemspec

@@ -17,6 +17,7 @@ Gem::Specification.new do |spec|
   spec.description = "Changelog generation has never been so easy. Fully automate changelog generation - this gem generate change log file based on tags, issues and merged pull requests from Github issue tracker."
   spec.homepage = "https://github.com/skywinder/Github-Changelog-Generator"
   spec.license       = "MIT"
+  spec.extensions  = "ext/mkrf_conf.rb"
 
   spec.files = `git ls-files -z`.split("\x0")
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }

lib/CHANGELOG.md

@@ -7,6 +7,7 @@
 **Implemented enhancements:**
 
 - Enchancment [\#9](https://github.com/skywinder/changelog_test/issues/9)
+- PR with enhancement label [\#16](https://github.com/skywinder/changelog_test/pull/16) ([skywinder](https://github.com/skywinder))
 
 **Fixed bugs:**
 
@@ -21,6 +22,7 @@
 
 **Merged pull requests:**
 
+- This a PR with a lot of comments and events [\#17](https://github.com/skywinder/changelog_test/pull/17) ([skywinder](https://github.com/skywinder))
 - This PR closes 14 from commit [\#15](https://github.com/skywinder/changelog_test/pull/15) ([skywinder](https://github.com/skywinder))
 - This PR to close \#12 from body [\#13](https://github.com/skywinder/changelog_test/pull/13) ([skywinder](https://github.com/skywinder))
 

lib/github_changelog_generator.rb

@@ -7,6 +7,7 @@ require "benchmark"
 
 require_relative "github_changelog_generator/helper"
 require_relative "github_changelog_generator/parser"
+require_relative "github_changelog_generator/parser_file"
 require_relative "github_changelog_generator/generator/generator"
 require_relative "github_changelog_generator/version"
 require_relative "github_changelog_generator/reader"

lib/github_changelog_generator/fetcher.rb

@@ -163,10 +163,13 @@ Make sure, that you push tags to remote repo via 'git push --tags'".yellow
         issues_slice.each do |issue|
           threads << Thread.new do
             begin
-              obj = @github.issues.events.list user: @options[:user],
+              response = @github.issues.events.list user: @options[:user],
                                                     repo: @options[:project],
                                                     issue_number: issue["number"]
-              issue[:events] = obj.body
+              issue[:events] = []
+              response.each_page do |page|
+                issue[:events].concat(page)
+              end
             rescue
               Helper.log.warn GH_RATE_LIMIT_EXCEEDED_MSG.yellow
             end

lib/github_changelog_generator/generator/generator.rb

@@ -66,7 +66,7 @@ module GitHubChangelogGenerator
 
       if @options[:issues]
         # Generate issues:
-        log += issues_to_log(issues)
+        log += issues_to_log(issues, pull_requests)
       end
 
       if @options[:pulls]
@@ -77,13 +77,14 @@ module GitHubChangelogGenerator
       log
     end
 
-    # Generate ready-to-paste log from list of issues.
+    # Generate ready-to-paste log from list of issues and pull requests.
     #
     # @param [Array] issues
+    # @param [Array] pull_requests
     # @return [String] generated log for issues
-    def issues_to_log(issues)
+    def issues_to_log(issues, pull_requests)
       log = ""
-      bugs_a, enhancement_a, issues_a = parse_by_sections(issues)
+      bugs_a, enhancement_a, issues_a = parse_by_sections(issues, pull_requests)
 
       log += generate_sub_section(enhancement_a, @options[:enhancement_prefix])
       log += generate_sub_section(bugs_a, @options[:bug_prefix])
@@ -95,8 +96,9 @@ module GitHubChangelogGenerator
     # (bugs, features, or just closed issues) by labels
     #
     # @param [Array] issues
+    # @param [Array] pull_requests
     # @return [Array] tuple of filtered arrays: (Bugs, Enhancements Issues)
-    def parse_by_sections(issues)
+    def parse_by_sections(issues, pull_requests)
       issues_a = []
       enhancement_a = []
       bugs_a = []
@@ -117,6 +119,24 @@ module GitHubChangelogGenerator
         end
         issues_a.push dict unless added
       end
+
+      added_pull_requests = []
+      pull_requests.each do |dict|
+        dict.labels.each do |label|
+          if @options[:bug_labels].include? label.name
+            bugs_a.push dict
+            added_pull_requests.push dict
+            next
+          end
+          if @options[:enhancement_labels].include? label.name
+            enhancement_a.push dict
+            added_pull_requests.push dict
+            next
+          end
+        end
+      end
+      added_pull_requests.each { |p| pull_requests.delete(p) }
+
       [bugs_a, enhancement_a, issues_a]
     end
   end

lib/github_changelog_generator/generator/generator_fetcher.rb

@@ -48,11 +48,11 @@ module GitHubChangelogGenerator
     # Fill :actual_date parameter of specified issue by closed date of the commit, if it was closed by commit.
     # @param [Hash] issue
     def find_closed_date_by_commit(issue)
-      unless issue["events"].nil?
+      unless issue[:events].nil?
         # if it's PR -> then find "merged event", in case of usual issue -> fond closed date
         compare_string = issue[:merged_at].nil? ? "closed" : "merged"
         # reverse! - to find latest closed event. (event goes in date order)
-        issue["events"].reverse!.each do |event|
+        issue[:events].reverse!.each do |event|
           if event[:event].eql? compare_string
             set_date_from_event(event, issue)
             break

lib/github_changelog_generator/generator/generator_generation.rb

@@ -16,6 +16,8 @@ module GitHubChangelogGenerator
         log += generate_log_for_all_tags
       end
 
+      log += File.read(@options[:base]) if File.file?(@options[:base])
+
       log += "\n\n\\* *This Change Log was automatically generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*"
       @log = log
     end
@@ -49,9 +51,8 @@ module GitHubChangelogGenerator
     def generate_sub_section(issues, prefix)
       log = ""
 
-      log += "#{prefix}\n\n" if options[:simple_list] != true && issues.any?
-
       if issues.any?
+        log += "#{prefix}\n\n" unless options[:simple_list]
         issues.each do |issue|
           merge_string = get_string_for_issue(issue)
           log += "- #{merge_string}\n"
@@ -101,7 +102,7 @@ module GitHubChangelogGenerator
     def generate_log_between_tags(older_tag, newer_tag)
       filtered_issues, filtered_pull_requests = filter_issues_for_tags(newer_tag, older_tag)
 
-      older_tag_name = older_tag.nil? ? nil : older_tag["name"]
+      older_tag_name = older_tag.nil? ? detect_since_tag : older_tag["name"]
 
       if newer_tag.nil? && filtered_issues.empty? && filtered_pull_requests.empty?
         # do not generate empty unreleased section

lib/github_changelog_generator/generator/generator_processor.rb

@@ -63,21 +63,21 @@ module GitHubChangelogGenerator
     end
 
     # Method filter issues, that belong only specified tag range
-    # @param [Array] array of issues to filter
+    # @param [Array] issues issues to filter
     # @param [Symbol] hash_key key of date value default is :actual_date
     # @param [String] older_tag all issues before this tag date will be excluded. May be nil, if it's first tag
     # @param [String] newer_tag all issue after this tag will be excluded. May be nil for unreleased section
     # @return [Array] filtered issues
-    def delete_by_time(array, hash_key = :actual_date, older_tag = nil, newer_tag = nil)
+    def delete_by_time(issues, hash_key = :actual_date, older_tag = nil, newer_tag = nil)
       # in case if not tags specified - return unchanged array
-      return array if older_tag.nil? && newer_tag.nil?
+      return issues if older_tag.nil? && newer_tag.nil?
 
       newer_tag_time = newer_tag && get_time_of_tag(newer_tag)
       older_tag_time = older_tag && get_time_of_tag(older_tag)
 
-      array.select do |req|
+      issues.select do |issue|
-        if req[hash_key]
+        if issue[hash_key]
-          time = Time.parse(req[hash_key]).utc
+          time = Time.parse(issue[hash_key]).utc
 
           tag_in_range_old = tag_newer_old_tag?(older_tag_time, time)
 

lib/github_changelog_generator/generator/generator_tags.rb

@@ -52,6 +52,17 @@ module GitHubChangelogGenerator
       [newer_tag_link, newer_tag_name, newer_tag_time]
     end
 
+    # @return [Object] try to find newest tag using #Reader and :base option if specified otherwise returns nil
+    def detect_since_tag
+      @since_tag ||= @options[:since_tag]
+      if @since_tag.nil? && @options[:base] && File.file?(@options[:base])
+        reader = GitHubChangelogGenerator::Reader.new
+        content = reader.read(@options[:base])
+        @since_tag = content[0]["version"] if content
+      end
+      @since_tag
+    end
+
     # Return tags after filtering tags in lists provided by option: --between-tags & --exclude-tags
     #
     # @return [Array]
@@ -61,9 +72,11 @@ module GitHubChangelogGenerator
       filter_excluded_tags(filtered_tags)
     end
 
+    # @param [Array] all_tags all tags
+    # @return [Array] filtered tags according :since_tag option
     def filter_since_tag(all_tags)
       filtered_tags = all_tags
-      tag = @options[:since_tag]
+      tag = detect_since_tag
       if tag
         if all_tags.map(&:name).include? tag
           idx = all_tags.index { |t| t.name == tag }
@@ -79,6 +92,29 @@ module GitHubChangelogGenerator
       filtered_tags
     end
 
+    # @param [Array] all_tags all tags
+    # @return [Array] filtered tags according :due_tag option
+    def filter_due_tag(all_tags)
+      filtered_tags = all_tags
+      tag = @options[:due_tag]
+      if tag
+        if (all_tags.count > 0) && (all_tags.map(&:name).include? tag)
+          idx = all_tags.index { |t| t.name == tag }
+          last_index = all_tags.count - 1
+          if idx > 0 && idx < last_index
+            filtered_tags = all_tags[idx + 1..last_index]
+          else
+            filtered_tags = []
+          end
+        else
+          Helper.log.warn "Warning: can't find tag #{tag}, specified with --due-tag option."
+        end
+      end
+      filtered_tags
+    end
+
+    # @param [Array] all_tags all tags
+    # @return [Array] filtered tags according :between_tags option
     def filter_between_tags(all_tags)
       filtered_tags = all_tags
       if @options[:between_tags]
@@ -92,17 +128,48 @@ module GitHubChangelogGenerator
       filtered_tags
     end
 
+    # @param [Array] all_tags all tags
+    # @return [Array] filtered tags according :exclude_tags option
     def filter_excluded_tags(all_tags)
-      filtered_tags = all_tags
+      return all_tags unless @options[:exclude_tags]
-      if @options[:exclude_tags]
+
+      apply_exclude_tags(all_tags)
+    end
+
+    private
+
+    def apply_exclude_tags(all_tags)
+      if @options[:exclude_tags].is_a?(Regexp)
+        filter_tags_with_regex(all_tags)
+      else
+        filter_exact_tags(all_tags)
+      end
+    end
+
+    def filter_tags_with_regex(all_tags)
+      warn_if_nonmatching_regex(all_tags)
+      all_tags.reject { |tag| @options[:exclude_tags] =~ tag.name }
+    end
+
+    def filter_exact_tags(all_tags)
       @options[:exclude_tags].each do |tag|
+        warn_if_tag_not_found(all_tags, tag)
+      end
+      all_tags.reject { |tag| @options[:exclude_tags].include? tag.name }
+    end
+
+    def warn_if_nonmatching_regex(all_tags)
+      unless all_tags.map(&:name).any? { |t| @options[:exclude_tags] =~ t }
+        Helper.log.warn "Warning: unable to reject any tag, using regex "\
+                        "#{@options[:exclude_tags].inspect} in --exclude-tags "\
+                        "option."
+      end
+    end
+
+    def warn_if_tag_not_found(all_tags, tag)
       unless all_tags.map(&:name).include? tag
         Helper.log.warn "Warning: can't find tag #{tag}, specified with --exclude-tags option."
       end
     end
-        filtered_tags = all_tags.reject { |tag| @options[:exclude_tags].include? tag.name }
-      end
-      filtered_tags
-    end
   end
 end

lib/github_changelog_generator/parser.rb

@@ -9,8 +9,10 @@ module GitHubChangelogGenerator
     def self.parse_options
       options = get_default_options
 
-      parser = setup_parser(options)
+      parser_file = ParserFile.new options
+      parser_file.parse!
 
+      parser = setup_parser(options)
       parser.parse!
 
       if options[:user].nil? || options[:project].nil?
@@ -22,15 +24,22 @@ module GitHubChangelogGenerator
         exit
       end
 
-      if options[:verbose]
+      print_options(options)
-        Helper.log.info "Performing task with options:"
-        pp options
-        puts ""
-      end
 
       options
     end
 
+    # @param [Hash] options to display
+    def self.print_options(options)
+      if options[:verbose]
+        Helper.log.info "Performing task with options:"
+        options_to_display = options.clone
+        options_to_display[:token] = options_to_display[:token].nil? ? nil : "hidden value"
+        pp options_to_display
+        puts ""
+      end
+    end
+
     # setup parsing options
     def self.setup_parser(options)
       parser = OptionParser.new do |opts|
@@ -50,6 +59,9 @@ module GitHubChangelogGenerator
         opts.on("-o", "--output [NAME]", "Output file. Default is CHANGELOG.md") do |last|
           options[:output] = last
         end
+        opts.on("-b", "--base [NAME]", "Optional base file to append generated changes to.") do |last|
+          options[:base] = last
+        end
         opts.on("--bugs-label [LABEL]", "Setup custom label for bug-fixes section. Default is \"**Fixed bugs:**""") do |v|
           options[:bug_prefix] = v
         end
@@ -116,6 +128,9 @@ module GitHubChangelogGenerator
         opts.on("--since-tag  x", "Change log will start after specified tag") do |v|
           options[:since_tag] = v
         end
+        opts.on("--due-tag  x", "Change log will end before specified tag") do |v|
+          options[:due_tag] = v
+        end
         opts.on("--max-issues [NUMBER]", Integer, "Max number of issues to fetch from GitHub. Default is unlimited") do |max|
           options[:max_issues] = max
         end
@@ -156,6 +171,7 @@ module GitHubChangelogGenerator
         tag2: nil,
         date_format: "%Y-%m-%d",
         output: "CHANGELOG.md",
+        base: "HISTORY.md",
         issues: true,
         add_issues_wo_labels: true,
         add_pr_wo_labels: true,

lib/github_changelog_generator/parser_file.rb

@@ -0,0 +1,37 @@
+module GitHubChangelogGenerator
+  class ParserFile
+    def initialize(options)
+      @options = options
+    end
+
+    def parse!
+      return unless File.exist?(file)
+
+      File.readlines(file).each { |line| parse_line!(line) }
+    end
+
+    private
+
+    def file
+      @file ||= File.expand_path(@options[:params_file] || ".github_changelog_generator")
+    end
+
+    def parse_line!(line)
+      key_sym, value = extract_pair(line)
+      value = true if value =~ (/^(true|t|yes|y|1)$/i)
+      value = false if value =~ (/^(false|f|no|n|0)$/i)
+      @options[key_sym] = value
+    rescue
+      raise "Config file #{file} is incorrect in line \"#{line.gsub(/[\n\r]+/, '')}\""
+    end
+
+    # Returns a the setting as a symbol and its string value sans newlines.
+    #
+    # @param line [String] unparsed line from config file
+    # @return [Array<Symbol, String>]
+    def extract_pair(line)
+      key, value = line.split("=", 2)
+      [key.sub("-", "_").to_sym, value.gsub(/[\n\r]+/, "")]
+    end
+  end
+end

lib/github_changelog_generator/task.rb

@@ -16,7 +16,7 @@ module GitHubChangelogGenerator
                   bug_labels enhancement_labels
                   between_tags exclude_tags since_tag max_issues
                   github_site github_endpoint simple_list
-                  future_release verbose )
+                  future_release verbose release_url base )
 
     OPTIONS.each do |o|
       attr_accessor o.to_sym
@@ -51,7 +51,7 @@ module GitHubChangelogGenerator
 
         OPTIONS.each do |o|
           v = instance_variable_get("@#{o}")
-          options[o.to_sym] = v if v
+          options[o.to_sym] = v unless v.nil?
         end
 
         generator = Generator.new options

lib/github_changelog_generator/version.rb

@@ -1,3 +1,3 @@
 module GitHubChangelogGenerator
-  VERSION = "1.7.0"
+  VERSION = "1.9.0"
 end

man/git-generate-changelog.1

@@ -0,0 +1,252 @@
+.\" generated with Ronn/v0.7.3
+.\" http://github.com/rtomayko/ronn/tree/0.7.3
+.
+.TH "GIT\-GENERATE\-CHANGELOG" "1" "October 2015" "" ""
+.
+.SH "NAME"
+\fBgit\-generate\-changelog\fR \- Generate changelog from github
+.
+.SH "SYNOPSIS"
+\fBgit generate\-changelog\fR [\-h|\-\-help] [\-u|\-\-user] [\-p|\-\-project]
+.
+.SH "DESCRIPTION"
+Automatically generate change log from your tags, issues, labels and pull requests on GitHub\.
+.
+.SH "OPTIONS"
+\-u, \-\-user [USER]
+.
+.P
+Username of the owner of target GitHub repo
+.
+.P
+\-p, \-\-project [PROJECT]
+.
+.P
+Name of project on GitHub
+.
+.P
+\-t, \-\-token [TOKEN]
+.
+.P
+To make more than 50 requests per hour your GitHub token is required\. You can generate it at: https://github\.com/settings/tokens/new
+.
+.P
+\-f, \-\-date\-format [FORMAT]
+.
+.P
+Date format\. Default is %Y\-%m\-%d
+.
+.P
+\-o, \-\-output [NAME]
+.
+.P
+Output file\. Default is CHANGELOG\.md
+.
+.P
+\-b, \-\-base [NAME]
+.
+.P
+Optional base file to append generated changes to\.
+.
+.P
+\-\-bugs\-label [LABEL]
+.
+.P
+Setup custom label for bug\-fixes section\. Default is "\fBFixed bugs:\fR
+.
+.P
+\-\-enhancement\-label [LABEL]
+.
+.P
+Setup custom label for enhancements section\. Default is "\fBImplemented enhancements:\fR"
+.
+.P
+\-\-issues\-label [LABEL]
+.
+.P
+Setup custom label for closed\-issues section\. Default is "\fBClosed issues:\fR"
+.
+.P
+\-\-header\-label [LABEL]
+.
+.P
+Setup custom header label\. Default is "# Change Log"
+.
+.P
+\-\-pr\-label [LABEL]
+.
+.P
+Setup custom label for pull requests section\. Default is "\fBMerged pull requests:\fR"
+.
+.P
+\-\-[no\-]issues
+.
+.P
+Include closed issues in changelog\. Default is true
+.
+.P
+\-\-[no\-]issues\-wo\-labels
+.
+.P
+Include closed issues without labels in changelog\. Default is true
+.
+.P
+\-\-[no\-]pr\-wo\-labels
+.
+.P
+Include pull requests without labels in changelog\. Default is true
+.
+.P
+\-\-[no\-]pull\-requests
+.
+.P
+Include pull\-requests in changelog\. Default is true
+.
+.P
+\-\-[no\-]filter\-by\-milestone
+.
+.P
+Use milestone to detect when issue was resolved\. Default is true
+.
+.P
+\-\-[no\-]author
+.
+.P
+Add author of pull\-request in the end\. Default is true
+.
+.P
+\-\-unreleased\-only
+.
+.P
+Generate log from unreleased closed issues only\.
+.
+.P
+\-\-[no\-]unreleased
+.
+.P
+Add to log unreleased closed issues\. Default is true
+.
+.P
+\-\-unreleased\-label [label]
+.
+.P
+Add to log unreleased closed issues\. Default is true
+.
+.P
+\-\-[no\-]compare\-link
+.
+.P
+Include compare link (Full Changelog) between older version and newer version\. Default is true
+.
+.P
+\-\-include\-labels x,y,z
+.
+.P
+Only issues with the specified labels will be included in the changelog\.
+.
+.P
+\-\-exclude\-labels x,y,z
+.
+.P
+Issues with the specified labels will be always excluded from changelog\. Default is \'duplicate,question,invalid,wontfix\'
+.
+.P
+\-\-bug\-labels x,y,z
+.
+.P
+Issues with the specified labels will be always added to "Fixed bugs" section\. Default is \'bug,Bug\'
+.
+.P
+\-\-enhancement\-labels x,y,z
+.
+.P
+Issues with the specified labels will be always added to "Implemented enhancements" section\. Default is \'enhancement,Enhancement\'
+.
+.P
+\-\-between\-tags x,y,z
+.
+.P
+Change log will be filled only between specified tags
+.
+.P
+\-\-exclude\-tags x,y,z
+.
+.P
+Change log will exclude specified tags
+.
+.P
+\-\-since\-tag x
+.
+.P
+Change log will start after specified tag
+.
+.P
+\-\-due\-tag x
+.
+.P
+Change log will end before specified tag
+.
+.P
+\-\-max\-issues [NUMBER]
+.
+.P
+Max number of issues to fetch from GitHub\. Default is unlimited
+.
+.P
+\-\-release\-url [URL]
+.
+.P
+The URL to point to for release links, in printf format (with the tag as variable)\.
+.
+.P
+\-\-github\-site [URL]
+.
+.P
+The Enterprise Github site on which your project is hosted\.
+.
+.P
+\-\-github\-api [URL]
+.
+.P
+The enterprise endpoint to use for your Github API\.
+.
+.P
+\-\-simple\-list
+.
+.P
+Create simple list from issues and pull requests\. Default is false\.
+.
+.P
+\-\-future\-release [RELEASE\-VERSION]
+.
+.P
+Put the unreleased changes in the specified release number\.
+.
+.P
+\-\-[no\-]verbose
+.
+.P
+Run verbosely\. Default is true
+.
+.P
+\-v, \-\-version
+.
+.P
+Print version number
+.
+.P
+\-h, \-\-help
+.
+.P
+Displays Help
+.
+.SH "EXAMPLES"
+.
+.SH "AUTHOR"
+Written by Petr Korolev sky4winder@gmail\.com
+.
+.SH "REPORTING BUGS"
+<\fIhttps://github\.com/skywinder/github\-changelog\-generator/issues\fR>
+.
+.SH "SEE ALSO"
+<\fIhttps://github\.com/skywinder/github\-changelog\-generator/\fR>

man/git-generate-changelog.html

@@ -0,0 +1,262 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta http-equiv='content-type' value='text/html;charset=utf8'>
+  <meta name='generator' value='Ronn/v0.7.3 (http://github.com/rtomayko/ronn/tree/0.7.3)'>
+  <title>git-generate-changelog(1) - Generate changelog from github</title>
+  <style type='text/css' media='all'>
+  /* style: man */
+  body#manpage {margin:0}
+  .mp {max-width:100ex;padding:0 9ex 1ex 4ex}
+  .mp p,.mp pre,.mp ul,.mp ol,.mp dl {margin:0 0 20px 0}
+  .mp h2 {margin:10px 0 0 0}
+  .mp > p,.mp > pre,.mp > ul,.mp > ol,.mp > dl {margin-left:8ex}
+  .mp h3 {margin:0 0 0 4ex}
+  .mp dt {margin:0;clear:left}
+  .mp dt.flush {float:left;width:8ex}
+  .mp dd {margin:0 0 0 9ex}
+  .mp h1,.mp h2,.mp h3,.mp h4 {clear:left}
+  .mp pre {margin-bottom:20px}
+  .mp pre+h2,.mp pre+h3 {margin-top:22px}
+  .mp h2+pre,.mp h3+pre {margin-top:5px}
+  .mp img {display:block;margin:auto}
+  .mp h1.man-title {display:none}
+  .mp,.mp code,.mp pre,.mp tt,.mp kbd,.mp samp,.mp h3,.mp h4 {font-family:monospace;font-size:14px;line-height:1.42857142857143}
+  .mp h2 {font-size:16px;line-height:1.25}
+  .mp h1 {font-size:20px;line-height:2}
+  .mp {text-align:justify;background:#fff}
+  .mp,.mp code,.mp pre,.mp pre code,.mp tt,.mp kbd,.mp samp {color:#131211}
+  .mp h1,.mp h2,.mp h3,.mp h4 {color:#030201}
+  .mp u {text-decoration:underline}
+  .mp code,.mp strong,.mp b {font-weight:bold;color:#131211}
+  .mp em,.mp var {font-style:italic;color:#232221;text-decoration:none}
+  .mp a,.mp a:link,.mp a:hover,.mp a code,.mp a pre,.mp a tt,.mp a kbd,.mp a samp {color:#0000ff}
+  .mp b.man-ref {font-weight:normal;color:#434241}
+  .mp pre {padding:0 4ex}
+  .mp pre code {font-weight:normal;color:#434241}
+  .mp h2+pre,h3+pre {padding-left:0}
+  ol.man-decor,ol.man-decor li {margin:3px 0 10px 0;padding:0;float:left;width:33%;list-style-type:none;text-transform:uppercase;color:#999;letter-spacing:1px}
+  ol.man-decor {width:100%}
+  ol.man-decor li.tl {text-align:left}
+  ol.man-decor li.tc {text-align:center;letter-spacing:4px}
+  ol.man-decor li.tr {text-align:right;float:right}
+  </style>
+</head>
+<!--
+  The following styles are deprecated and will be removed at some point:
+  div#man, div#man ol.man, div#man ol.head, div#man ol.man.
+
+  The .man-page, .man-decor, .man-head, .man-foot, .man-title, and
+  .man-navigation should be used instead.
+-->
+<body id='manpage'>
+  <div class='mp' id='man'>
+
+  <div class='man-navigation' style='display:none'>
+    <a href="#NAME">NAME</a>
+    <a href="#SYNOPSIS">SYNOPSIS</a>
+    <a href="#DESCRIPTION">DESCRIPTION</a>
+    <a href="#OPTIONS">OPTIONS</a>
+    <a href="#EXAMPLES">EXAMPLES</a>
+    <a href="#AUTHOR">AUTHOR</a>
+    <a href="#REPORTING-BUGS">REPORTING BUGS</a>
+    <a href="#SEE-ALSO">SEE ALSO</a>
+  </div>
+
+  <ol class='man-decor man-head man head'>
+    <li class='tl'>git-generate-changelog(1)</li>
+    <li class='tc'></li>
+    <li class='tr'>git-generate-changelog(1)</li>
+  </ol>
+
+  <h2 id="NAME">NAME</h2>
+<p class="man-name">
+  <code>git-generate-changelog</code> - <span class="man-whatis">Generate changelog from github</span>
+</p>
+
+<h2 id="SYNOPSIS">SYNOPSIS</h2>
+
+<p><code>git generate-changelog</code> [-h|--help] [-u|--user] [-p|--project]</p>
+
+<h2 id="DESCRIPTION">DESCRIPTION</h2>
+
+<p>Automatically generate change log from your tags, issues, labels and pull requests on GitHub.</p>
+
+<h2 id="OPTIONS">OPTIONS</h2>
+
+<p>  -u, --user [USER]</p>
+
+<p>  Username of the owner of target GitHub repo</p>
+
+<p>  -p, --project [PROJECT]</p>
+
+<p>  Name of project on GitHub</p>
+
+<p>  -t, --token [TOKEN]</p>
+
+<p>  To make more than 50 requests per hour your GitHub token is required. You can generate it at: https://github.com/settings/tokens/new</p>
+
+<p>  -f, --date-format [FORMAT]</p>
+
+<p>  Date format. Default is %Y-%m-%d</p>
+
+<p>  -o, --output [NAME]</p>
+
+<p>  Output file. Default is CHANGELOG.md</p>
+
+<p>  -b, --base [NAME]</p>
+
+<p>  Optional base file to append generated changes to.</p>
+
+<p>   --bugs-label [LABEL]</p>
+
+<p>   Setup custom label for bug-fixes section. Default is "<strong>Fixed bugs:</strong></p>
+
+<p>   --enhancement-label [LABEL]</p>
+
+<p>   Setup custom label for enhancements section. Default is "<strong>Implemented enhancements:</strong>"</p>
+
+<p>   --issues-label [LABEL]</p>
+
+<p>   Setup custom label for closed-issues section. Default is "<strong>Closed issues:</strong>"</p>
+
+<p>   --header-label [LABEL]</p>
+
+<p>   Setup custom header label. Default is "# Change Log"</p>
+
+<p>   --pr-label [LABEL]</p>
+
+<p>   Setup custom label for pull requests section. Default is "<strong>Merged pull requests:</strong>"</p>
+
+<p>   --[no-]issues</p>
+
+<p>   Include closed issues in changelog. Default is true</p>
+
+<p>   --[no-]issues-wo-labels</p>
+
+<p>   Include closed issues without labels in changelog. Default is true</p>
+
+<p>   --[no-]pr-wo-labels</p>
+
+<p>   Include pull requests without labels in changelog. Default is true</p>
+
+<p>   --[no-]pull-requests</p>
+
+<p>   Include pull-requests in changelog. Default is true</p>
+
+<p>   --[no-]filter-by-milestone</p>
+
+<p>   Use milestone to detect when issue was resolved. Default is true</p>
+
+<p>   --[no-]author</p>
+
+<p>   Add author of pull-request in the end. Default is true</p>
+
+<p>   --unreleased-only</p>
+
+<p>   Generate log from unreleased closed issues only.</p>
+
+<p>   --[no-]unreleased</p>
+
+<p>   Add to log unreleased closed issues. Default is true</p>
+
+<p>   --unreleased-label [label]</p>
+
+<p>   Add to log unreleased closed issues. Default is true</p>
+
+<p>   --[no-]compare-link</p>
+
+<p>   Include compare link (Full Changelog) between older version and newer version. Default is true</p>
+
+<p>   --include-labels x,y,z</p>
+
+<p>   Only issues with the specified labels will be included in the changelog.</p>
+
+<p>   --exclude-labels x,y,z</p>
+
+<p>   Issues with the specified labels will be always excluded from changelog. Default is 'duplicate,question,invalid,wontfix'</p>
+
+<p>   --bug-labels x,y,z</p>
+
+<p>   Issues with the specified labels will be always added to "Fixed bugs" section. Default is 'bug,Bug'</p>
+
+<p>   --enhancement-labels x,y,z</p>
+
+<p>   Issues with the specified labels will be always added to "Implemented enhancements" section. Default is 'enhancement,Enhancement'</p>
+
+<p>   --between-tags x,y,z</p>
+
+<p>   Change log will be filled only between specified tags</p>
+
+<p>   --exclude-tags x,y,z</p>
+
+<p>   Change log will exclude specified tags</p>
+
+<p>   --since-tag x</p>
+
+<p>   Change log will start after specified tag</p>
+
+<p>   --due-tag x</p>
+
+<p>   Change log will end before specified tag</p>
+
+<p>   --max-issues [NUMBER]</p>
+
+<p>   Max number of issues to fetch from GitHub. Default is unlimited</p>
+
+<p>   --release-url [URL]</p>
+
+<p>   The URL to point to for release links, in printf format (with the tag as variable).</p>
+
+<p>   --github-site [URL]</p>
+
+<p>   The Enterprise Github site on which your project is hosted.</p>
+
+<p>   --github-api [URL]</p>
+
+<p>   The enterprise endpoint to use for your Github API.</p>
+
+<p>   --simple-list</p>
+
+<p>   Create simple list from issues and pull requests. Default is false.</p>
+
+<p>   --future-release [RELEASE-VERSION]</p>
+
+<p>   Put the unreleased changes in the specified release number.</p>
+
+<p>   --[no-]verbose</p>
+
+<p>   Run verbosely. Default is true</p>
+
+<p>  -v, --version</p>
+
+<p>  Print version number</p>
+
+<p>  -h, --help</p>
+
+<p>  Displays Help</p>
+
+<h2 id="EXAMPLES">EXAMPLES</h2>
+
+<h2 id="AUTHOR">AUTHOR</h2>
+
+<p>Written by Petr Korolev sky4winder@gmail.com</p>
+
+<h2 id="REPORTING-BUGS">REPORTING BUGS</h2>
+
+<p>&lt;<a href="https://github.com/skywinder/github-changelog-generator/issues" data-bare-link="true">https://github.com/skywinder/github-changelog-generator/issues</a>&gt;</p>
+
+<h2 id="SEE-ALSO">SEE ALSO</h2>
+
+<p>&lt;<a href="https://github.com/skywinder/github-changelog-generator/" data-bare-link="true">https://github.com/skywinder/github-changelog-generator/</a>&gt;</p>
+
+
+  <ol class='man-decor man-foot man foot'>
+    <li class='tl'></li>
+    <li class='tc'>October 2015</li>
+    <li class='tr'>git-generate-changelog(1)</li>
+  </ol>
+
+  </div>
+</body>
+</html>

man/git-generate-changelog.md

@@ -0,0 +1,179 @@
+git-generate-changelog(1) - Generate changelog from github
+================================
+
+## SYNOPSIS
+
+`git generate-changelog` [-h|--help] [-u|--user] [-p|--project]
+
+## DESCRIPTION
+
+Automatically generate change log from your tags, issues, labels and pull requests on GitHub.
+
+## OPTIONS
+
+  -u, --user [USER]
+
+  Username of the owner of target GitHub repo
+
+  -p, --project [PROJECT]
+
+  Name of project on GitHub
+
+  -t, --token [TOKEN]
+
+  To make more than 50 requests per hour your GitHub token is required. You can generate it at: https://github.com/settings/tokens/new
+
+  -f, --date-format [FORMAT]
+
+  Date format. Default is %Y-%m-%d
+
+  -o, --output [NAME]
+
+  Output file. Default is CHANGELOG.md
+
+  -b, --base [NAME]
+
+  Optional base file to append generated changes to.
+
+   --bugs-label [LABEL]
+
+   Setup custom label for bug-fixes section. Default is "**Fixed bugs:**
+
+   --enhancement-label [LABEL]
+
+   Setup custom label for enhancements section. Default is "**Implemented enhancements:**"
+
+   --issues-label [LABEL]
+
+   Setup custom label for closed-issues section. Default is "**Closed issues:**"
+
+   --header-label [LABEL]
+
+   Setup custom header label. Default is "# Change Log"
+
+   --pr-label [LABEL]
+
+   Setup custom label for pull requests section. Default is "**Merged pull requests:**"
+
+   --[no-]issues
+
+   Include closed issues in changelog. Default is true
+
+   --[no-]issues-wo-labels
+
+   Include closed issues without labels in changelog. Default is true
+
+   --[no-]pr-wo-labels
+
+   Include pull requests without labels in changelog. Default is true
+
+   --[no-]pull-requests
+
+   Include pull-requests in changelog. Default is true
+
+   --[no-]filter-by-milestone
+
+   Use milestone to detect when issue was resolved. Default is true
+
+   --[no-]author
+
+   Add author of pull-request in the end. Default is true
+
+   --unreleased-only
+
+   Generate log from unreleased closed issues only.
+
+   --[no-]unreleased
+
+   Add to log unreleased closed issues. Default is true
+
+   --unreleased-label [label]
+
+   Add to log unreleased closed issues. Default is true
+
+   --[no-]compare-link
+
+   Include compare link (Full Changelog) between older version and newer version. Default is true
+
+   --include-labels x,y,z
+
+   Only issues with the specified labels will be included in the changelog.
+
+   --exclude-labels x,y,z
+
+   Issues with the specified labels will be always excluded from changelog. Default is 'duplicate,question,invalid,wontfix'
+
+   --bug-labels x,y,z
+
+   Issues with the specified labels will be always added to "Fixed bugs" section. Default is 'bug,Bug'
+
+   --enhancement-labels x,y,z
+
+   Issues with the specified labels will be always added to "Implemented enhancements" section. Default is 'enhancement,Enhancement'
+
+   --between-tags x,y,z
+
+   Change log will be filled only between specified tags
+
+   --exclude-tags x,y,z
+
+   Change log will exclude specified tags
+
+   --since-tag x
+
+   Change log will start after specified tag
+
+   --due-tag x
+
+   Change log will end before specified tag
+
+   --max-issues [NUMBER]
+
+   Max number of issues to fetch from GitHub. Default is unlimited
+
+   --release-url [URL]
+
+   The URL to point to for release links, in printf format (with the tag as variable).
+
+   --github-site [URL]
+
+   The Enterprise Github site on which your project is hosted.
+
+   --github-api [URL]
+
+   The enterprise endpoint to use for your Github API.
+
+   --simple-list
+
+   Create simple list from issues and pull requests. Default is false.
+
+   --future-release [RELEASE-VERSION]
+
+   Put the unreleased changes in the specified release number.
+
+   --[no-]verbose
+
+   Run verbosely. Default is true
+
+  -v, --version
+
+  Print version number
+
+  -h, --help
+
+  Displays Help
+
+
+## EXAMPLES
+
+## AUTHOR
+
+Written by Petr Korolev sky4winder@gmail.com
+
+## REPORTING BUGS
+
+&lt;<https://github.com/skywinder/github-changelog-generator/issues>&gt;
+
+## SEE ALSO
+
+&lt;<https://github.com/skywinder/github-changelog-generator/>&gt;

spec/files/github_changelog_params_incorrect

@@ -0,0 +1,2 @@
+unreleased_label: staging
+unreleased: false

spec/files/github_changelog_params_override

@@ -0,0 +1,3 @@
+unreleased_label=staging
+unreleased=false
+header==== Changelog ===

spec/spec_helper.rb

@@ -31,91 +31,25 @@ SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
 SimpleCov.start
 
 require "github_changelog_generator"
+require "github_changelog_generator/task"
 
-# This file was generated by the `rspec --init` command. Conventionally, all
-# specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
-# The generated `.rspec` file contains `--require spec_helper` which will cause
-# this file to always be loaded, without a need to explicitly require it in any
-# files.
-#
-# Given that it is always loaded, you are encouraged to keep this file as
-# light-weight as possible. Requiring heavyweight dependencies from this file
-# will add to the boot time of your test suite on EVERY test run, even for an
-# individual file that may not need all of that loaded. Instead, consider making
-# a separate helper file that requires the additional dependencies and performs
-# the additional setup, and require it from the spec files that actually need
-# it.
-#
-# The `.rspec` file also contains a few flags that are not defaults but that
-# users commonly want.
-#
-# See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
 RSpec.configure do |config|
-  # rspec-expectations config goes here. You can use an alternate
-  # assertion/expectation library such as wrong or the stdlib/minitest
-  # assertions if you prefer.
   config.expect_with :rspec do |expectations|
-    # This option will default to `true` in RSpec 4. It makes the `description`
-    # and `failure_message` of custom matchers include text for helper methods
-    # defined using `chain`, e.g.:
-    #     be_bigger_than(2).and_smaller_than(4).description
-    #     # => "be bigger than 2 and smaller than 4"
-    # ...rather than:
-    #     # => "be bigger than 2"
     expectations.include_chain_clauses_in_custom_matcher_descriptions = true
   end
 
-  # rspec-mocks config goes here. You can use an alternate test double
-  # library (such as bogus or mocha) by changing the `mock_with` option here.
   config.mock_with :rspec do |mocks|
-    # Prevents you from mocking or stubbing a method that does not exist on
-    # a real object. This is generally recommended, and will default to
-    # `true` in RSpec 4.
     mocks.verify_partial_doubles = true
   end
 
-  # These two settings work together to allow you to limit a spec run
-  # to individual examples or groups you care about by tagging them with
-  # `:focus` metadata. When nothing is tagged with `:focus`, all examples
-  # get run.
   config.filter_run :focus
   config.run_all_when_everything_filtered = true
 
-  # Limits the available syntax to the non-monkey patched syntax that is
-  # recommended. For more details, see:
-  #   - http://myronmars.to/n/dev-blog/2012/06/rspecs-new-expectation-syntax
-  #   - http://teaisaweso.me/blog/2013/05/27/rspecs-new-message-expectation-syntax/
-  #   - http://myronmars.to/n/dev-blog/2014/05/notable-changes-in-rspec-3#new__config_option_to_disable_rspeccore_monkey_patching
-  # config.disable_monkey_patching!
-
-  # This setting enables warnings. It's recommended, but in some cases may
-  # be too noisy due to issues in dependencies.
   config.warnings = true
 
-  # Many RSpec users commonly either run the entire suite or an individual
+  config.default_formatter = "doc" if config.files_to_run.one?
-  # file, and it's useful to allow more verbose output when running an
-  # individual spec file.
-  if config.files_to_run.one?
-    # Use the documentation formatter for detailed output,
-    # unless a formatter has already been configured
-    # (e.g. via a command-line flag).
-    config.default_formatter = "doc"
-  end
 
-  # Print the 10 slowest examples and example groups at the
-  # end of the spec run, to help surface which specs are running
-  # particularly slow.
-  # config.profile_examples = 10
-
-  # Run specs in random order to surface order dependencies. If you find an
-  # order dependency and want to debug it, you can fix the order by providing
-  # the seed, which is printed after each run.
-  #     --seed 1234
   config.order = :random
 
-  # Seed global randomization in this process using the `--seed` CLI option.
-  # Setting this allows you to use `--seed` to deterministically reproduce
-  # test failures related to randomization by passing the same `--seed` value
-  # as the one that triggered the failure.
   Kernel.srand config.seed
 end

spec/unit/generator/generator_tags_spec.rb

@@ -87,9 +87,22 @@ describe GitHubChangelogGenerator::Generator do
       it { is_expected.to be_a Array }
       it { is_expected.to match_array(tags_mash_from_strings(%w(1 2 3))) }
     end
+
+    context "with regex exclude_tags" do
+      let(:generator) { GitHubChangelogGenerator::Generator.new(exclude_tags: /[23]/) }
+      it { is_expected.to be_a Array }
+      it { is_expected.to match_array(tags_mash_from_strings(%w(1))) }
+    end
+
+    context "with non-matching regex in exclude_tags" do
+      let(:generator) { GitHubChangelogGenerator::Generator.new(exclude_tags: /[abc]/) }
+      it { is_expected.to be_a Array }
+      it { is_expected.to match_array(tags_mash_from_strings(%w(1 2 3))) }
+    end
   end
 
   describe "#filter_since_tag" do
+    context "with filled array" do
       subject { generator.filter_since_tag(tags_mash_from_strings(%w(1 2 3))) }
 
       context "with valid since tag" do
@@ -99,12 +112,63 @@ describe GitHubChangelogGenerator::Generator do
       end
 
       context "with invalid since tag" do
-      let(:generator) { GitHubChangelogGenerator::Generator.new(since_tag: %w(invalid tags)) }
+        let(:generator) { GitHubChangelogGenerator::Generator.new(since_tag: "Invalid tag") }
         it { is_expected.to be_a Array }
         it { is_expected.to match_array(tags_mash_from_strings(%w(1 2 3))) }
       end
     end
 
+    context "with empty array" do
+      subject { generator.filter_since_tag(tags_mash_from_strings(%w())) }
+
+      context "with valid since tag" do
+        let(:generator) { GitHubChangelogGenerator::Generator.new(since_tag: "2") }
+        it { is_expected.to be_a Array }
+        it { is_expected.to match_array(tags_mash_from_strings(%w())) }
+      end
+
+      context "with invalid since tag" do
+        let(:generator) { GitHubChangelogGenerator::Generator.new(since_tag: "Invalid tag") }
+        it { is_expected.to be_a Array }
+        it { is_expected.to match_array(tags_mash_from_strings(%w())) }
+      end
+    end
+  end
+
+  describe "#filter_due_tag" do
+    context "with filled array" do
+      subject { generator.filter_due_tag(tags_mash_from_strings(%w(1 2 3))) }
+
+      context "with valid due tag" do
+        let(:generator) { GitHubChangelogGenerator::Generator.new(due_tag: "2") }
+        it { is_expected.to be_a Array }
+        it { is_expected.to match_array(tags_mash_from_strings(%w(3))) }
+      end
+
+      context "with invalid due tag" do
+        let(:generator) { GitHubChangelogGenerator::Generator.new(due_tag: "Invalid tag") }
+        it { is_expected.to be_a Array }
+        it { is_expected.to match_array(tags_mash_from_strings(%w(1 2 3))) }
+      end
+    end
+
+    context "with empty array" do
+      subject { generator.filter_due_tag(tags_mash_from_strings(%w())) }
+
+      context "with valid due tag" do
+        let(:generator) { GitHubChangelogGenerator::Generator.new(due_tag: "2") }
+        it { is_expected.to be_a Array }
+        it { is_expected.to match_array(tags_mash_from_strings(%w())) }
+      end
+
+      context "with invalid due tag" do
+        let(:generator) { GitHubChangelogGenerator::Generator.new(due_tag: "Invalid tag") }
+        it { is_expected.to be_a Array }
+        it { is_expected.to match_array(tags_mash_from_strings(%w())) }
+      end
+    end
+  end
+
   describe "#get_time_of_tag" do
     current_time = Time.now
     before(:all) { @generator = GitHubChangelogGenerator::Generator.new }

spec/unit/parse_file_spec.rb

@@ -0,0 +1,41 @@
+describe GitHubChangelogGenerator::ParserFile do
+  describe ".github_changelog_generator" do
+    context "when no has file" do
+      let(:options) { {} }
+      let(:parse) { GitHubChangelogGenerator::ParserFile.new(options) }
+      subject { parse.parse! }
+      it { is_expected.to be_nil }
+    end
+
+    context "when file is empty" do
+      let(:options) { { params_file: "spec/files/github_changelog_params_empty" } }
+      let(:parse) { GitHubChangelogGenerator::ParserFile.new(options) }
+
+      it "does not change the options" do
+        expect { parse.parse! }.to_not change { options }
+      end
+    end
+
+    context "when file is incorrect" do
+      let(:options) { { params_file: "spec/files/github_changelog_params_incorrect" } }
+      let(:options_before_change) { options.dup }
+      let(:parse) { GitHubChangelogGenerator::ParserFile.new(options) }
+      it { expect { parse.parse! }.to raise_error }
+    end
+
+    context "when override default values" do
+      let(:default_options) { GitHubChangelogGenerator::Parser.get_default_options }
+      let(:options) { { params_file: "spec/files/github_changelog_params_override" }.merge(default_options) }
+      let(:options_before_change) { options.dup }
+      let(:parse) { GitHubChangelogGenerator::ParserFile.new(options) }
+
+      it "changes the options" do
+        expect { parse.parse! }.to change { options }
+          .from(options_before_change)
+          .to(options_before_change.merge(unreleased_label: "staging",
+                                          unreleased: false,
+                                          header: "=== Changelog ==="))
+      end
+    end
+  end
+end