$ git clone -n https://src.fedoraproject.org/rpms/mod_qos.git /var/lib/mock/f41-build-side-1-2976833-35840/root/chroot_tmpdir/scmroot/mod_qos
Cloning into '/var/lib/mock/f41-build-side-1-2976833-35840/root/chroot_tmpdir/scmroot/mod_qos'...
$ git fetch origin de2d724194cfa8fb0d07c1746c4d851797e589c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mod_qos
 * [new ref]         de2d724194cfa8fb0d07c1746c4d851797e589c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de2d724 convert GPLv2 license to SPDX