Make it easier to release a new version

Author: dentarg

README.md

@@ -63,10 +63,10 @@ To install this gem onto your local machine, run `bundle exec rake install`.
 
 To release a new version, update the version number in `version.rb`, in a commit or pull request.
 
-Create and push a new git tag:
+Create and push a new signed git tag, the `git:tag` rake task will use the version from `version.rb`.
 
 ```shell
-git tag -m "Version <VERSION>" v<VERSION>
+rake git:tag
 git push --tags
 ```
 

Rakefile

@@ -1,9 +1,11 @@
 # frozen_string_literal: true
 
-require "bundler/gem_tasks"
+require "bundler/setup"
 require "rspec/core/rake_task"
 require "rubocop/rake_task"
 
+require_relative "lib/rubocop/eightyfourcodes/version"
+
 RuboCop::RakeTask.new
 
 task default: %i[spec rubocop]
@@ -30,3 +32,15 @@ task :new_cop, [:cop] do |_task, args|
 
   puts generator.todo
 end
+
+namespace :git do
+  version = RuboCop::EightyFourCodes::VERSION
+  tag = "v#{version}"
+
+  desc "Create a signed git tag named: #{tag}"
+  task :tag do
+    command = %(git tag --sign --message="Version #{version}" #{tag})
+
+    system(command, exception: true)
+  end
+end