gistfile1.txt

diff --git a/lib/chef-deploy/cached_deploy.rb b/lib/chef-deploy/cached_deploy.rb
index f9ea7b4..9226497 100644
--- a/lib/chef-deploy/cached_deploy.rb
+++ b/lib/chef-deploy/cached_deploy.rb
@@ -11,6 +11,7 @@ class CachedDeploy
     if @configuration[:revision] == ''
        @configuration[:revision] = source.query_revision(@configuration[:branch]) {|cmd| ru
     end
+    return if check_current_revision_and_noop_if_same(@configuration[:revision])
     Chef::Log.info "deploying branch: #{@configuration[:branch]} rev: #{@configuration[:rev
     Chef::Log.info "updating the cached checkout"
     run(update_repository_cache)
@@ -46,7 +47,12 @@ class CachedDeploy
         resources << r
       end
       resources.each do |r|
-        r.run_action(:install)
+        begin
+          r.run_action(:install)
+        rescue Chef::Exception::Exec => e
+          Chef::Log.info("Error installing gem: #{r.package_name} version: #{r.version}")
+          raise e
+        end
       end
     end
   end
@@ -73,6 +79,12 @@ class CachedDeploy
     false
   end
   
+  def check_current_revision_and_noop_if_same(newrev)
+    IO.read("#{latest_release}/REVISION").chomp == newrev
+  rescue
+    false
+  end
+  
   # before_symlink
   # before_restart
   def callback(what)