Packages: Fix cases where arch group mappings are unexpected

git-svn-id: https://svn.mcs.anl.gov/repos/bcfg/trunk/bcfg2@5265 ce84e21b-d406-0410-9b95-82705330c041

1 files changed, 8 insertions, 3 deletions

diff --git a/src/lib/Server/Plugins/Packages.py b/src/lib/Server/Plugins/Packages.py
index 43fd9cf6b..010283fe9 100644
--- a/src/lib/Server/Plugins/Packages.py
+++ b/src/lib/Server/Plugins/Packages.py
@@ -181,12 +181,17 @@ class YUMSource(Source):
                     self.provides[arch][prov].append(pkgname)
 
     def is_package(self, metadata, item):
-        arch = [a for a in self.arches if a in metadata.groups][0]
-        return item in self.packages['global'] or item in self.packages[arch]
+        arch = [a for a in self.arches if a in metadata.groups]
+        if not arch:
+            return False
+        return item in self.packages['global'] or item in self.packages[arch[0]]
 
     def get_provides(self, metadata, required):
         ret = set()
-        arch = [a for a in self.arches if a in metadata.groups][0]
+        arches = [a for a in self.arches if a in metadata.groups]
+        if not arches:
+            raise NoData
+        arch = arches[0]
         if required in self.provides['global']: 
             ret.update(Source.get_provides(self, metadata, required))
         elif required in self.provides[arch]: