$ git clone -n https://src.fedoraproject.org/rpms/lightly.git /var/lib/mock/f38-build-side-42-init-devel-773573-27767/root/chroot_tmpdir/scmroot/lightly
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-773573-27767/root/chroot_tmpdir/scmroot/lightly'...
$ git fetch origin ecbc530b4968cd8b83158755b60cc64182cd532e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lightly
 * [new ref]         ecbc530b4968cd8b83158755b60cc64182cd532e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ecbc530 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild