$ git clone -n http://fedora.riscv.rocks:3000/rpms/kernel.git /var/lib/mock/f42-build-864476-172337/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/f42-build-864476-172337/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin 266b4d926041f50bc0d041f8cbcf7ac16274e4c5:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/kernel
 * [new ref]             266b4d926041f50bc0d041f8cbcf7ac16274e4c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 266b4d926 Update riscv64 configs