$ git clone -n https://src.fedoraproject.org/rpms/zlib-ada.git /var/lib/mock/f38-build-side-42-init-devel-869578-28441/root/chroot_tmpdir/scmroot/zlib-ada
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-869578-28441/root/chroot_tmpdir/scmroot/zlib-ada'...
$ git fetch origin a4b46e9407bf83429e926c665135a8f8b19c1459:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zlib-ada
 * [new ref]         a4b46e9407bf83429e926c665135a8f8b19c1459 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4b46e9 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild