$ git clone -n https://src.fedoraproject.org/rpms/eb.git /var/lib/mock/f40-build-1166975-21666/root/chroot_tmpdir/scmroot/eb
Cloning into '/var/lib/mock/f40-build-1166975-21666/root/chroot_tmpdir/scmroot/eb'...
$ git fetch origin 9ffeba69a1e8ee4060eda1d10e9e0b8d3ea4048f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/eb
 * [new ref]         9ffeba69a1e8ee4060eda1d10e9e0b8d3ea4048f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ffeba6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild