$ git clone -n http://fedora.riscv.rocks:3000/rpms/R-import.git /var/lib/mock/f41-build-838719-159753/root/chroot_tmpdir/scmroot/R-import
Cloning into '/var/lib/mock/f41-build-838719-159753/root/chroot_tmpdir/scmroot/R-import'...
$ git fetch origin 153d930c015d6a3eb9dae64ee04db2baadb4870b:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/R-import
 * [new ref]         153d930c015d6a3eb9dae64ee04db2baadb4870b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 153d930 Enable bootstrap