$ git clone -n https://src.fedoraproject.org/rpms/qqc2-breeze-style.git /var/lib/mock/f41-build-side-1-2768820-32099/root/chroot_tmpdir/scmroot/qqc2-breeze-style
Cloning into '/var/lib/mock/f41-build-side-1-2768820-32099/root/chroot_tmpdir/scmroot/qqc2-breeze-style'...
$ git fetch origin a5ebe963b5d68e0fecab928981b3bb1783508570:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qqc2-breeze-style
 * [new ref]         a5ebe963b5d68e0fecab928981b3bb1783508570 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5ebe96 6.1.90