Setup scram project -n "CMSSW_10_6_27_pfnano" CMSSW_10_6_27 cd CMSSW_10_6_27_pfnano/src cmsenv git clone git@github.com:DryRun/PFNano PhysicsTools/PFNano git clone git@github.com:DAZSLE/AK15Nano PhysicsTools/AK15Nano scram b -j8