$ git clone -n http://fedora.riscv.rocks:3000/rpms/kernel.git /var/lib/mock/f38-build-729959-102006/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/f38-build-729959-102006/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin bacf1ede800ae5a3e00aa98a24cd2f3f55fdcca1:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/kernel
 * [new ref]             bacf1ede800ae5a3e00aa98a24cd2f3f55fdcca1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bacf1ede8 Update riscv64 config