providers/virtualbox: only set default name on first up [GH-1817]

CHANGELOG.md

@@ -73,6 +73,8 @@ BUG FIXES:
     with Puppet. [GH-2015]
   - providers/virtualbox: Use `getent` to get the group ID instead of
     `id` in case the name doesn't have a user. [GH-1801]
+  - providers/virtualbox: Will only set the default name of the VM on
+    initial `up`. [GH-1817]
 
 ## 1.2.7 (July 28, 2013)
 

plugins/providers/virtualbox/action/set_name.rb

@@ -12,6 +12,13 @@ module VagrantPlugins
         def call(env)
           name = env[:machine].provider_config.name
 
+          # If we already set the name before, then don't do anything
+          sentinel = env[:machine].data_dir.join("action_set_name")
+          if !name && sentinel.file?
+            @logger.info("Default name was already set before, not doing it again.")
+            return @app.call(env)
+          end
+
           # If no name was manually set, then use a default
           if !name
             prefix = "#{env[:root_path].basename.to_s}_#{env[:machine].name}"
@@ -32,6 +39,11 @@ module VagrantPlugins
             env[:machine].provider.driver.set_name(name)
           end
 
+          # Create the sentinel
+          sentinel.open("w") do |f|
+            f.write(Time.now.to_i.to_s)
+          end
+
           @app.call(env)
         end
       end