$ git clone -n https://src.fedoraproject.org/rpms/optimizer.git /var/lib/mock/f40-build-790546-136608/root/chroot_tmpdir/scmroot/optimizer
Cloning into '/var/lib/mock/f40-build-790546-136608/root/chroot_tmpdir/scmroot/optimizer'...
$ git fetch origin fe1f12442eb77e4e0dc1172325c2c25b1e2bfe33:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/optimizer
 * [new ref]         fe1f12442eb77e4e0dc1172325c2c25b1e2bfe33 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe1f124 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild