$ git clone -n http://fedora.riscv.rocks:3000/rpms/ucx.git /var/lib/mock/f41-build-813449-148676/root/chroot_tmpdir/scmroot/ucx
Cloning into '/var/lib/mock/f41-build-813449-148676/root/chroot_tmpdir/scmroot/ucx'...
$ git fetch origin 7b4fcbcc7adb777c68c9afd1175088c25b527dd3:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/ucx
 * [new ref]         7b4fcbcc7adb777c68c9afd1175088c25b527dd3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b4fcbc Enable riscv64