$ git clone -n https://src.fedoraproject.org/rpms/python-jsonpickle.git /var/lib/mock/f38-build-side-42-init-devel-753781-27664/root/chroot_tmpdir/scmroot/python-jsonpickle
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-753781-27664/root/chroot_tmpdir/scmroot/python-jsonpickle'...
$ git fetch origin b0c7efc677d96f6c39e87f1963d0938606004184:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jsonpickle
 * [new ref]         b0c7efc677d96f6c39e87f1963d0938606004184 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0c7efc Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild