$ git clone -n https://src.fedoraproject.org/rpms/eg.git /var/lib/mock/f40-build-2346188-59998/root/chroot_tmpdir/scmroot/eg
Cloning into '/var/lib/mock/f40-build-2346188-59998/root/chroot_tmpdir/scmroot/eg'...
$ git fetch origin 0180b4a63f620014359c7aa6c0bcf9b87c403082:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/eg
 * [new ref]         0180b4a63f620014359c7aa6c0bcf9b87c403082 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0180b4a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild