$ git clone -n https://src.fedoraproject.org/rpms/zlib-ng.git /var/lib/mock/f38-build-side-42-init-devel-970163-28811/root/chroot_tmpdir/scmroot/zlib-ng
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-970163-28811/root/chroot_tmpdir/scmroot/zlib-ng'...
$ git fetch origin 6e6734c6fc1b1828151ef06bbb16285686c4ee3e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zlib-ng
 * [new ref]         6e6734c6fc1b1828151ef06bbb16285686c4ee3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e6734c Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild