Rakefile in certmeister-0.2.1 vs Rakefile in certmeister-0.2.3

@@ -1,14 +1,36 @@
 require "rspec/core/rake_task"
+require "certmeister/version"
 
 desc 'Build gem into the pkg directory'
-task :build do
+task :build => :spec do
   FileUtils.rm_rf('pkg')
   Dir['*.gemspec'].each do |gemspec|
     system "gem build #{gemspec}"
   end
   FileUtils.mkdir_p('pkg')
   FileUtils.mv(Dir['*.gem'], 'pkg')
+end
+
+namespace :bump do
+  bump_version = ->(component) do
+    sh 'bundle', 'exec', 'semver', 'inc', component
+    sh 'bundle'
+    sh 'bundle', 'exec', 'semver', 'format', "New version: v%M.%m.%p%s"
+  end
+
+  desc 'Bump version [major]'
+  task :major => :build do
+    bump_version.call('major')
+  end
+  desc 'Bump version [minor]'
+  task :minor => :build do
+    bump_version.call('minor')
+  end
+  desc 'Bump version [patch]'
+  task :patch => :build do
+    bump_version.call('patch')
+  end
 end
 
 desc 'Tags version, pushes to remote, and pushes gem'
 task :release => :build do
   sh 'git', 'tag', '-m', "Released v#{Certmeister::VERSION}", "v#{Certmeister::VERSION}"