fix rpm header not including 'VCS' tag

Signed-off-by: Gui Chen <gui.chen@intel.com>

diff --git a/plugins/backend/zypppkgmgr.py b/plugins/backend/zypppkgmgr.py
index c760859..7ee83b6 100755 (executable)
--- a/plugins/backend/zypppkgmgr.py
+++ b/plugins/backend/zypppkgmgr.py
@@ -567,7 +567,11 @@ class Zypp(BackendPlugin):
                         'version': hdr['version'],
                         'release': hdr['release']
                     }
-            self.__pkgs_vcsinfo[lname] = hdr['VCS']
+            try:
+                self.__pkgs_vcsinfo[lname] = hdr['VCS']
+            except ValueError:
+                # if rpm not support VCS, set to None
+                self.__pkgs_vcsinfo[lname] = None
 
         return self.__pkgs_vcsinfo