$ git clone -n https://src.fedoraproject.org/rpms/lbdb.git /var/lib/mock/f41-build-1144820-21156/root/chroot_tmpdir/scmroot/lbdb
Cloning into '/var/lib/mock/f41-build-1144820-21156/root/chroot_tmpdir/scmroot/lbdb'...
$ git fetch origin 84b79be14eb4771af3cafcd7bad5baad209b4887:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lbdb
 * [new ref]         84b79be14eb4771af3cafcd7bad5baad209b4887 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84b79be Eliminate use of obsolete %patchN syntax (#2283636)