$ git clone -n http://fedora.riscv.rocks:3000/rpms/R-iterators.git /var/lib/mock/f41-build-840067-160507/root/chroot_tmpdir/scmroot/R-iterators
Cloning into '/var/lib/mock/f41-build-840067-160507/root/chroot_tmpdir/scmroot/R-iterators'...
$ git fetch origin 1f6ae41eed3d10363b1523bceaf6e77af4305c90:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/R-iterators
 * [new ref]         1f6ae41eed3d10363b1523bceaf6e77af4305c90 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f6ae41 Turn off bootstrap (riscv64)