$ git clone -n http://fedora.riscv.rocks:3000/rpms/kernel.git /var/lib/mock/f40-build-812355-147806/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/f40-build-812355-147806/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin 3b1ea73ba6471d918921a79385859d006965f296:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/kernel
 * [new ref]             3b1ea73ba6471d918921a79385859d006965f296 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b1ea73ba Clean up and riscv64 config changes