$ git clone -n https://src.fedoraproject.org/rpms/quiterss.git /var/lib/mock/f45-build-34219-682/root/chroot_tmpdir/scmroot/quiterss
Cloning into '/var/lib/mock/f45-build-34219-682/root/chroot_tmpdir/scmroot/quiterss'...
$ git fetch origin 11804a9e0f0694799f7185d68cd6fc340d109cb1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/quiterss
 * [new ref]         11804a9e0f0694799f7185d68cd6fc340d109cb1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11804a9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild