$ git clone -n https://src.fedoraproject.org/rpms/orafce.git /var/lib/mock/f40-build-2238897-53588/root/chroot_tmpdir/scmroot/orafce
Cloning into '/var/lib/mock/f40-build-2238897-53588/root/chroot_tmpdir/scmroot/orafce'...
$ git fetch origin 96cb8f98f7feb09af6763d21965b726d167b9e97:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/orafce
 * [new ref]         96cb8f98f7feb09af6763d21965b726d167b9e97 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96cb8f9 Rebase to the latest upstream version