$ git clone -n http://fedora.riscv.rocks:3000/rpms/R-Rmpfr.git /var/lib/mock/f38-build-724906-99495/root/chroot_tmpdir/scmroot/R-Rmpfr
Cloning into '/var/lib/mock/f38-build-724906-99495/root/chroot_tmpdir/scmroot/R-Rmpfr'...
$ git reset --hard d753e9f16a7ae610b00ce55d9ddc81f568e8fbf7
HEAD is now at d753e9f Bootstrap (riscv64)