$ git clone -n https://src.fedoraproject.org/rpms/jackson-dataformats-text.git /var/lib/mock/f38-build-side-42-init-devel-1268424-30643/root/chroot_tmpdir/scmroot/jackson-dataformats-text
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1268424-30643/root/chroot_tmpdir/scmroot/jackson-dataformats-text'...
$ git fetch origin fb78ad08635f77b3099a977db7b9b32973ad25a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jackson-dataformats-text
 * [new ref]         fb78ad08635f77b3099a977db7b9b32973ad25a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb78ad0 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild