$ git clone -n https://src.fedoraproject.org/rpms/R-jose.git /var/lib/mock/f38-build-side-42-init-devel-613001-26292/root/chroot_tmpdir/scmroot/R-jose
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-613001-26292/root/chroot_tmpdir/scmroot/R-jose'...
$ git fetch origin 01e1f3aec5da9cbc8478c1f036511f325c403981:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-jose
 * [new ref]         01e1f3aec5da9cbc8478c1f036511f325c403981 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01e1f3a Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild