$ git clone -n https://src.fedoraproject.org/rpms/kbrickbuster.git /var/lib/mock/eln-build-side-110440-58978451-6569592/root/chroot_tmpdir/scmroot/kbrickbuster
Cloning into '/var/lib/mock/eln-build-side-110440-58978451-6569592/root/chroot_tmpdir/scmroot/kbrickbuster'...
$ git fetch origin 88219094546a0b4ab9b1a82ab228831c1f18729f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kbrickbuster
 * [new ref]         88219094546a0b4ab9b1a82ab228831c1f18729f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8821909 25.04.0