backends/eopkg: Make refresh_cache() use privileged decorator

As the dbs will need to be reinitalized for a change in repo data

Author: joebonrichie

backends/eopkg/eopkgBackend.py

@@ -783,6 +783,7 @@ def progress_cb(**kw):
             self.error(ERROR_UNKNOWN, e)
         pisi.api.set_userinterface(self.saved_ui)
 
+    @privileged
     def refresh_cache(self, force):
         """ Updates repository indexes """
         # TODO: use force ?
@@ -798,8 +799,6 @@ def refresh_cache(self, force):
             percentage += slice
             self.percentage(percentage)
 
-        self.percentage(100)
-
     def remove_packages(self, transaction_flags, package_ids,
                         allowdeps, autoremove):
         """ Removes given package from system"""