update Rakefile

Rakefile

@@ -1,2 +1,18 @@
-require 'rake'
+require 'rubygems'
 require 'puppetlabs_spec_helper/rake_tasks'
+require 'puppet-lint/tasks/puppet-lint'
+PuppetLint.configuration.send('disable_80chars')
+PuppetLint.configuration.ignore_paths = ["spec/**/*.pp", "pkg/**/*.pp"]
+
+desc "Run puppet in noop mode and check for syntax errors."
+task :validate do
+  Dir['manifests/**/*.pp'].each do |manifest|
+    sh "puppet parser validate --noop #{manifest}"
+  end
+  Dir['spec/**/*.rb','lib/**/*.rb'].each do |ruby_file|
+    sh "ruby -c #{ruby_file}" unless ruby_file =~ /spec\/fixtures/
+  end
+  Dir['templates/**/*.erb'].each do |template|
+    sh "erb -P -x -T '-' #{template} | ruby -c"
+  end
+end