diff -r 139bf74b9374 -r e3b168fa7513 dev/provisioning/modules/drush/manifests/config.pp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dev/provisioning/modules/drush/manifests/config.pp	Tue Oct 18 18:46:45 2016 +0530
@@ -0,0 +1,35 @@
+class drush::config {
+
+  #private()
+  if $caller_module_name != $module_name {
+    warning("${name} is not part of the public API of the ${module_name} \
+module and should not be directly included in the manifest.")
+  }
+
+  # Bash integration and autocompletion based on the default version.
+  validate_bool($drush::bash_integration,
+                $drush::bash_autocompletion
+  )
+  if $drush::bash_integration {
+    file { '/etc/profile.d/drushrc.sh':
+      ensure => link,
+      target => "${drush::install_base_path}/default/examples/example.bashrc",
+    }
+  }
+  elsif $drush::bash_autocompletion {
+    file { '/etc/bash_completion.d/drush':
+      ensure => link,
+      target => "${drush::install_base_path}/default/drush.complete.sh",
+    }
+  }
+
+  # Create aliases.
+  validate_hash($drush::aliases)
+  create_resources(drush::alias, $drush::aliases)
+
+  # Install extensions.
+  validate_array($drush::extensions)
+  drush::extension{ $drush::extensions: }
+
+}
+