1 files changed, 17 insertions, 0 deletions
diff --git a/lib/puppet/type/vcsrepo.rb b/lib/puppet/type/vcsrepo.rb
index 69c7f74..137f8cd 100644
--- a/lib/puppet/type/vcsrepo.rb
+++ b/lib/puppet/type/vcsrepo.rb
@@ -14,6 +14,10 @@ Puppet::Type.newtype(:vcsrepo) do
   feature :filesystem_types,
           "The provider supports different filesystem types"
 
+  feature :reference_tracking,
+          "The provider supports tracking revision references that can change
+           over time (eg, some VCS tags and branch names)"
+  
   ensurable do
 
     newvalue :present do
@@ -28,6 +32,19 @@ Puppet::Type.newtype(:vcsrepo) do
       provider.destroy
     end
 
+    newvalue :latest, :required_features => [:reference_tracking] do
+      if provider.exists?
+        if provider.respond_to?(:update_references)
+          provider.update_references
+        end
+        reference = resource.value(:revision) || provider.revision
+        notice "Updating to latest '#{reference}' revision"
+        provider.revision = reference
+      else
+        provider.create
+      end
+    end
+
     def retrieve
       prov = @resource.provider
       if prov