$ git clone -n https://github.com/fedora-riscv/kubernetes.git /var/lib/mock/f39-build-2493013-61661/root/chroot_tmpdir/scmroot/kubernetes
Cloning into '/var/lib/mock/f39-build-2493013-61661/root/chroot_tmpdir/scmroot/kubernetes'...
$ git fetch origin a967d43cc5eccc1e4afefe868acf9870c9536636:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/kubernetes
 * [new ref]         a967d43cc5eccc1e4afefe868acf9870c9536636 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a967d43 Add riscv64 support.