$ git clone -n http://fedora.riscv.rocks:3000/rpms/R-viridisLite.git /var/lib/mock/f41-build-839978-160432/root/chroot_tmpdir/scmroot/R-viridisLite
Cloning into '/var/lib/mock/f41-build-839978-160432/root/chroot_tmpdir/scmroot/R-viridisLite'...
$ git fetch origin 624a69994b3a78ce6f9b0f266a4ddc85e75ba6de:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/R-viridisLite
 * [new ref]         624a69994b3a78ce6f9b0f266a4ddc85e75ba6de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 624a699 Enable bootstrap