$ git clone -n https://src.fedoraproject.org/rpms/multilib-rpm-config.git /var/lib/mock/f40-build-2012166-45773/root/chroot_tmpdir/scmroot/multilib-rpm-config
Cloning into '/var/lib/mock/f40-build-2012166-45773/root/chroot_tmpdir/scmroot/multilib-rpm-config'...
$ git fetch origin ed03490cdf8d07b7ed5260c3eeb1facfef909651:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/multilib-rpm-config
 * [new ref]         ed03490cdf8d07b7ed5260c3eeb1facfef909651 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed03490 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild