$ git clone -n https://github.com/xcp-ng-rpms/drbd.git /var/lib/mock/v8.3-v-linstor-testing-9917-28618/root/chroot_tmpdir/scmroot/drbd
Cloning into '/var/lib/mock/v8.3-v-linstor-testing-9917-28618/root/chroot_tmpdir/scmroot/drbd'...
$ git fetch origin 8b0e949aeb57ec5e4dea5682fd253e815031986a:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/drbd
 * [new ref]         8b0e949aeb57ec5e4dea5682fd253e815031986a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b0e949 Merge pull request #8 from xcp-ng-rpms/8.3-update-9.2.15