$ git clone -n https://src.fedoraproject.org/rpms/rhino.git /var/lib/mock/f38-build-side-42-init-devel-647742-26439/root/chroot_tmpdir/scmroot/rhino
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-647742-26439/root/chroot_tmpdir/scmroot/rhino'...
$ git fetch origin e28637bc691f1fbf58b67bb400a0006ef814d8e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rhino
 * [new ref]         e28637bc691f1fbf58b67bb400a0006ef814d8e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e28637b Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild