git_t&t

git_t&t

git clone -n https://github.com/cms-sw/cmssw src
cd src
git config core.sparsecheckout true
cat ~/fwlite_build_set | grep Fire > .git/info/sparse-checkout

 

checkout existing branch on my-cmssw

git clone -b calo2  -n https://github.com/alja/cmssw $CMSSW_BASE/src
cd  $CMSSW_BASE/src
git config core.sparsecheckout true
cp ~/cms-dev/sparse-checkout $CMSSW_BASE/src/.git/info/sparse-checkout
git co calo2

create new branch from release and pus hit to my-cmssw


git cms-addpkg PhysicsTools/Configuration
git fetch official-cmssw imported-CVS-HEAD:imported-CVS-HEAD
git checkout imported-CVS-HEAD -- PhysicsTools/Configuration/test/SUSY_pattuple_cfg.py

git cms-addpkg DataFormats/TestObjects
git checkout -b my-new-feature
git push my-cmssw my-new-feature

undo last commit
git reset --hard HEAD~1

MEGE
git fetch official-cmssw CMSSW_6_2_X:CMSSW_6_2_X git fetch my-cmssw GEMDigi-62:GEMDigi-62 git merge CMSSW_6_2_X

git pull origin master ....

==========================================================
git stash
git stash applu

tags
After the clone, you can list the tags with git tag -l and then checkout a specific tag: git checkout tags/ git fetch --tags" works too – John Erck Oct 26 '12 at 20:37 


git diff branch1..branch2
git diff --summary branch1..branch2 -- Fireworks

Updates: git rev-list --all | xargs git grep expression will work if you run into an "Argument list too long" error



git show <commit>

 git log --pretty=format:"%h - %an, %ar : %s" -11 --reverse