$ git clone -n https://src.fedoraproject.org/rpms/emerald.git /var/lib/mock/f40-build-2284953-55662/root/chroot_tmpdir/scmroot/emerald
Cloning into '/var/lib/mock/f40-build-2284953-55662/root/chroot_tmpdir/scmroot/emerald'...
$ git fetch origin 06f936f37cf017ed458bb7b5b106478ab2817f51:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/emerald
 * [new ref]         06f936f37cf017ed458bb7b5b106478ab2817f51 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 06f936f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild