$ git clone -n http://fedora.riscv.rocks:3000/rpms/kernel.git /var/lib/mock/f38-build-side-42-init-devel-883262-28486/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-883262-28486/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin 54bdfd4f1e80039e0486ddc2a57402a4174f4b88:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/kernel
 * [new ref]             54bdfd4f1e80039e0486ddc2a57402a4174f4b88 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 54bdfd4f1 Switch back to non-zboot kernel.