$ git clone -n https://src.fedoraproject.org/rpms/secrets.git /var/lib/mock/f40-build-1936883-25145/root/chroot_tmpdir/scmroot/secrets
Cloning into '/var/lib/mock/f40-build-1936883-25145/root/chroot_tmpdir/scmroot/secrets'...
$ git fetch origin 65013702ef497c4c01f9fe352dcb3bb67e610bf8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/secrets
 * [new ref]         65013702ef497c4c01f9fe352dcb3bb67e610bf8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6501370 Update to 9.6 upstream release