$ git clone -n https://src.fedoraproject.org/rpms/opendbx.git /var/lib/mock/f40-build-1498879-23873/root/chroot_tmpdir/scmroot/opendbx
Cloning into '/var/lib/mock/f40-build-1498879-23873/root/chroot_tmpdir/scmroot/opendbx'...
$ git fetch origin 518fc3eb2b748c9da0e011d69ed31a8733457b52:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opendbx
 * [new ref]         518fc3eb2b748c9da0e011d69ed31a8733457b52 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 518fc3e Migrate to SPDX license