Implement changelog generator

Author: bastelfreak

.gitignore

@@ -3,3 +3,7 @@ pom.xml
 /.clj-kondo/
 /.idea/
 /.lsp
+/.vendor
+/vendor
+/.bundle
+/Gemfile.lock

Gemfile

@@ -0,0 +1,7 @@
+source ENV['GEM_SOURCE'] || 'https://rubygems.org'
+
+group :release, optional: true do
+  gem 'faraday-retry', '~> 2.1', require: false
+  gem 'github_changelog_generator', '~> 1.16.4', require: false
+  #gem 'github_changelog_generator', github: 'smortex/github-changelog-generator', branch: 'avoid-processing-a-single-commit-multiple-time', require: false
+end

Rakefile

@@ -0,0 +1,26 @@
+begin
+  require 'github_changelog_generator/task'
+rescue LoadError
+  task :changelog do
+    abort('Run `bundle install --with release` to install the `github_changelog_generator` gem.')
+  end
+else
+  GitHubChangelogGenerator::RakeTask.new :changelog do |config|
+    config.header = <<~HEADER.chomp
+      # Changelog
+
+      All notable changes to this project will be documented in this file.
+    HEADER
+    config.user = 'OpenVoxProject'
+    config.project = 'clj-parent'
+    config.exclude_labels = %w[dependencies duplicate question invalid wontfix wont-fix modulesync skip-changelog]
+    # this is probably the worst way to do this
+    # ideally there would be a VERSION file and clojure and Rake would read it
+    config.future_release = File.readlines('project.clj').grep(/clj-parent/).first.scan(/".*"/).first.gsub('"', '')
+    # we limit the changelog to all new openvox releases, to skip perforce onces
+    # otherwise the changelog generate takes a lot amount of time
+    config.since_tag = '7.3.38'
+    #config.exclude_tags_regex = /\A7\./
+    config.release_branch = 'main'
+  end
+end