$ git clone -n git://pkgs.fedoraproject.org/rpms/R-BufferedMatrix /var/lib/mock/f29-build-1111-465/root/thebuilddir/tmp/scmroot/R-BufferedMatrix
Cloning into '/var/lib/mock/f29-build-1111-465/root/thebuilddir/tmp/scmroot/R-BufferedMatrix'...
$ git reset --hard 95dad8c2ad436107b8edba443ee4fc7c9754d499
HEAD is now at 95dad8c - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild