$ git clone -n https://src.fedoraproject.org/rpms/jday.git /var/lib/mock/f40-build-2005075-45029/root/chroot_tmpdir/scmroot/jday
Cloning into '/var/lib/mock/f40-build-2005075-45029/root/chroot_tmpdir/scmroot/jday'...
$ git fetch origin ddacc054de6e1e67ecabd0f1b1d2ab7d11f39b13:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jday
 * [new ref]         ddacc054de6e1e67ecabd0f1b1d2ab7d11f39b13 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddacc05 Switch to SPDX license