$ git clone -n https://src.fedoraproject.org/rpms/python-oslo-serialization.git /var/lib/mock/f40-build-2142212-50851/root/chroot_tmpdir/scmroot/python-oslo-serialization
Cloning into '/var/lib/mock/f40-build-2142212-50851/root/chroot_tmpdir/scmroot/python-oslo-serialization'...
$ git fetch origin 162bd045a7e83246d2afd53b5bdf61cb576b2221:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-oslo-serialization
 * [new ref]         162bd045a7e83246d2afd53b5bdf61cb576b2221 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 162bd04 Sync from RDO bobcat release from python-oslo-serialization-5.2.0-1.el9s