$ git clone -n https://src.fedoraproject.org/rpms/qqc2-breeze-style.git /var/lib/mock/f41-build-857066-167875/root/chroot_tmpdir/scmroot/qqc2-breeze-style
Cloning into '/var/lib/mock/f41-build-857066-167875/root/chroot_tmpdir/scmroot/qqc2-breeze-style'...
$ git fetch origin cd2199b68d9c939bc3db2eba5823b71384e6b03f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qqc2-breeze-style
 * [new ref]         cd2199b68d9c939bc3db2eba5823b71384e6b03f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd2199b 6.2.1