1 files changed, 34 insertions, 0 deletions
diff --git a/src/lib/Bcfg2/Client/Tools/BundleDeps.py b/src/lib/Bcfg2/Client/Tools/BundleDeps.py
new file mode 100644
index 000000000..aaa090633
--- /dev/null
+++ b/src/lib/Bcfg2/Client/Tools/BundleDeps.py
@@ -0,0 +1,34 @@
+""" Bundle dependency support """
+
+import Bcfg2.Client.Tools
+
+
+class BundleDeps(Bcfg2.Client.Tools.Tool):
+    """Bundle dependency helper for Bcfg2. It handles Bundle tags inside the
+    bundles that references the required other bundles that should change the
+    modification status if the referenced bundles is modified."""
+
+    name = 'Bundle'
+    __handles__ = [('Bundle', None)]
+    __req__ = {'Bundle': ['name']}
+
+    def InstallBundle(self, _):
+        """Simple no-op because we only need the BundleUpdated hook."""
+        return dict()
+
+    def VerifyBundle(self, entry, _):  # pylint: disable=W0613
+        """Simple no-op because we only need the BundleUpdated hook."""
+        return True
+
+    def BundleUpdated(self, entry):
+        """This handles the dependencies on this bundle. It searches all
+        Bundle tags in other bundles that references the current bundle name
+        and marks those tags as modified to trigger the modification hook on
+        the other bundles."""
+
+        bundle_name = entry.get('name')
+        for bundle in self.config.findall('./Bundle/Bundle'):
+            if bundle.get('name') == bundle_name and \
+               bundle not in self.modified:
+                self.modified.append(bundle)
+        return dict()