$ git clone -n http://fedora.riscv.rocks:3000/rpms/R-import.git /var/lib/mock/f41-build-840066-160507/root/chroot_tmpdir/scmroot/R-import
Cloning into '/var/lib/mock/f41-build-840066-160507/root/chroot_tmpdir/scmroot/R-import'...
$ git fetch origin 288b3cf4df0bad6ad226149e0671527747a1d21b:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/R-import
 * [new ref]         288b3cf4df0bad6ad226149e0671527747a1d21b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 288b3cf Turn off bootstrap (riscv64)