git branch -r --contains <commit>
git log --stat
git show
git show <commit>
git fetch --all && git reset --hard origin/master && git pull
git clean -df
git reset --hard HEAD^2
`` git fetch upstream pull//head:
### github fork repo workflow
git remote add upstream https://github.com/whoever/whatever.git
git checkout master git pull upstream master --rebase git push origin master -f
git checkout -b feature git add . git commit -m "add feature foo"
git checkout master git pull upstream master --rebase git checkout feature git rebase master git push origin feature -f
git checkout master git pull upstream master --rebase git push origin master -f