Rakefile in git-switcher-1.0.2 vs Rakefile in git-switcher-1.0.3

@@ -25,9 +25,14 @@
 
 task :default => [:version, :rubocop, :test]
 
 task :documentation
 
-Rake::Task['build'].enhance([:default, :documentation])
+task :ready => :documentation do
+  sh('bundle --quiet') # regenerate Gemfile.lock e.g. if version has changed
+  sh('git diff-index --quiet HEAD --') # https://stackoverflow.com/a/2659808
+end
+
+Rake::Task['build'].enhance([:default, :ready])
 
 # rubocop:enable Style/HashSyntax
 # rubocop:enable Style/SymbolArray