Improve handling of updates to thp bundles

It only installs thp packages that aren't already installed as they should
be.
It also outputs READY for bundles that have at least one package in them
that's installable under this restrictions.

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/thandy/packagesys/ThpPackages.py b/lib/thandy/packagesys/ThpPackages.py
index dd1d399..49ce19e 100755
--- a/lib/thandy/packagesys/ThpPackages.py
+++ b/lib/thandy/packagesys/ThpPackages.py
@@ -134,6 +134,9 @@ class ThpTransaction(object):
                                                      self._db,
                                                      self._repo_root))
 
+    def isReady(self):
+        return (len(self._installers) > 0)
+
     def _orderByDep(self):
         """ Orders packages with a topological order by its dependencies """
         return self._installers