$ git clone -n https://src.fedoraproject.org/rpms/sphinx.git /var/lib/mock/f42-build-3426596-45197/root/chroot_tmpdir/scmroot/sphinx
Cloning into '/var/lib/mock/f42-build-3426596-45197/root/chroot_tmpdir/scmroot/sphinx'...
$ git fetch origin 4642831466e81c6ddd8d40621e0bea8f2559a95e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sphinx
 * [new ref]         4642831466e81c6ddd8d40621e0bea8f2559a95e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4642831 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild