$ git clone -n https://src.fedoraproject.org/rpms/R-R.rsp.git /var/lib/mock/f38-build-side-42-init-devel-1003493-29369/root/chroot_tmpdir/scmroot/R-R.rsp
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1003493-29369/root/chroot_tmpdir/scmroot/R-R.rsp'...
$ git fetch origin 7d7dfa743aaa256831d8b44a5e0fda82a07e2762:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-R.rsp
 * [new ref]         7d7dfa743aaa256831d8b44a5e0fda82a07e2762 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d7dfa7 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild