ignore .Gemfile.jruby-1.9.lock, .lock and Gemfile

Fixes #6985

.gitignore

@@ -33,6 +33,9 @@ qa/.vm_ssh_config
 qa/.vagrant
 qa/acceptance/.vagrant
 qa/Gemfile.lock
+Gemfile.jruby-1.9.lock
+.lock
+Gemfile
 *.ipr
 *.iws
 *.iml

lib/bootstrap/bundler.rb

@@ -95,6 +95,14 @@ module LogStash
 
       require "bundler"
       require "bundler/cli"
+
+      # create Gemfile from template iff it does not exist
+      unless ::File.exists?(Environment::GEMFILE_PATH)
+        ::FileUtils.copy(
+          ::File.join(ENV["LOGSTASH_HOME"], "Gemfile.template"), Environment::GEMFILE_PATH
+        )
+      end
+
       LogStash::Bundler.patch!
 
       # force Rubygems sources to our Gemfile sources