$ export SCRAM_ARCH=slc6_amd64_gcc630
$ cmsrel CMSSW_9_4_13
$ cd CMSSW_9_4_13/src
$ cmsenv
$ git cms-init
$ git cms-addpkg GeneratorInterface/Pythia8Interface
$ scram b -j 24 # -j 4 if using slc7
$ git clone git@github.com:mbandrews/GeneratorInterface.git tmp
$ cp -r tmp/Pythia8Interface GeneratorInterface/
$ rm -rf tmp
$ scram b -j 24 # -j 4 if using slc7
$ cd GeneratorInterface/Pythia8Interface/scripts/
$ cmsRun OctoPi0_e60_m200_ctau0To4_eta0To1p4_noPU_GEN2AOD_cfg.py