1 files changed, 7 insertions, 0 deletions
diff --git a/morphlib/builder.py b/morphlib/builder.py
index 826bd42f..06b4198b 100644
--- a/morphlib/builder.py
+++ b/morphlib/builder.py
@@ -24,6 +24,7 @@ import time
 import traceback
 import subprocess
 import tempfile
+import warnings
 
 import cliapp
 
@@ -446,6 +447,12 @@ class ChunkBuilder(BuilderBase):
 
         system_integration = morphology.get(sys_tag) or {}
 
+        for artifact in system_integration.keys():
+            if artifact not in source.artifacts:
+                warnings.warn(
+                    "Chunk %s has system-integration commands for "
+                    "non-existent artifact %s." % (source.name, artifact))
+
         with self.build_watch('create-chunks'):
             for chunk_artifact_name, chunk_artifact \
                 in source.artifacts.iteritems():