$ git clone -n https://src.fedoraproject.org/rpms/R-stringi.git /var/lib/mock/f33-build-130921-40947/root/chroot_tmpdir/scmroot/R-stringi
Cloning into '/var/lib/mock/f33-build-130921-40947/root/chroot_tmpdir/scmroot/R-stringi'...
$ git reset --hard f4bd0f81366c1cd5fd9cae77473a2d96b7bbfe61
HEAD is now at f4bd0f8 Merge branch 'f30'