$ git clone -n https://src.fedoraproject.org/rpms/libdfp.git /var/lib/mock/f38-build-side-42-init-devel-834066-28377/root/chroot_tmpdir/scmroot/libdfp
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-834066-28377/root/chroot_tmpdir/scmroot/libdfp'...
$ git fetch origin 72121a7d39979c9cdc09cf2da29df836238b43fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libdfp
 * [new ref]         72121a7d39979c9cdc09cf2da29df836238b43fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72121a7 Start using SPDX identifiers on licenses