$ git clone -n http://fedora.riscv.rocks:3000/rpms/R-dplyr.git /var/lib/mock/f41-build-840019-160485/root/chroot_tmpdir/scmroot/R-dplyr
Cloning into '/var/lib/mock/f41-build-840019-160485/root/chroot_tmpdir/scmroot/R-dplyr'...
$ git fetch origin 1e1117cbc7d9be802c32cd063c616ae04f26adce:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/R-dplyr
 * [new ref]         1e1117cbc7d9be802c32cd063c616ae04f26adce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e1117c Bootstrap (riscv64)