$ git clone -n https://src.fedoraproject.org/rpms/dnfdragora.git /var/lib/mock/f42-build-3528301-46309/root/chroot_tmpdir/scmroot/dnfdragora
Cloning into '/var/lib/mock/f42-build-3528301-46309/root/chroot_tmpdir/scmroot/dnfdragora'...
$ git fetch origin 584bdb35a063fa1524cac3fe17de26d0824dd88c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dnfdragora
 * [new ref]         584bdb35a063fa1524cac3fe17de26d0824dd88c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 584bdb3 Bump to git snapshot again to fix updater (rhbz#2360093)