scram p CMSSW CMSSW_8_0_22 cd CMSSW_8_0_22/src git cms-init git remote add cmshi https://github.com/CmsHI/cmssw.git git fetch cmshi git checkout -b evtsel_8_0_22_v01 remotes/cmshi/evtsel_8_0_22_v01then
[modify code] git add [newfiles if any] git commit -a -m"files changed or added" git push cmshi evtsel_8_0_22_v01or
git checkout -b evtsel_8_0_22_v02 [modify code] git commit -a -m"files changed" git push cmshi evtsel_8_0_22_v02