$ git clone -n http://fedora.riscv.rocks:3000/rpms/R-viridisLite.git /var/lib/mock/f41-build-840090-160507/root/chroot_tmpdir/scmroot/R-viridisLite
Cloning into '/var/lib/mock/f41-build-840090-160507/root/chroot_tmpdir/scmroot/R-viridisLite'...
$ git fetch origin 18847cf68898ec0a555f74edf2444bcbabab08c7:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/R-viridisLite
 * [new ref]         18847cf68898ec0a555f74edf2444bcbabab08c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18847cf Turn off bootstrap (riscv64)