Don't add all grps in the installed evgrp, just those that belong.

yum/__init__.py

@@ -4002,7 +4002,15 @@ def selectEnvironment(self, evgrpid, group_package_types=[],
  grps.add(grpid)
  if evgrp.environmentid in self.igroups.environments:
  ievgrp = self.igroups.environments[evgrp.environmentid]
- grps.update(ievgrp.grp_names)
+ # Add groups from the installed evgrp, for Eg. installed
+ # only evgrps.
+ for grp_name in ievgrp.grp_names:
+ if grp_name not in self.igroups.groups:
+ continue
+ grp_evgrpid = self.igroups.groups[grp_name].environment
+ if grp_evgrpid != evgrp.environmentid:
+ continue
+ grps.add(grp_name)
  else:
  self.igroups.add_environment(evgrp.environmentid,
  evgrp.allgroups)