- jbj: rpmrepo: refactoring for 2 more helpers.
- jbj: rpmrepo: refactoring for 2 more helpers.

devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5