git branch is behind master

git pull origin master

git push origin branch-name

git checkout master

git merge new

git checkout -b <branch-name> // create a branch and switch to the branch

git branch <branch-name> // create a branch only

https://git-scm.com/docs/git-branch

git status

git diff

git diff --stat

git add . // add all files in working directory

git commit -m "Your awesome message"

git push origin master

git checkout master

git rebase release // To base master on release

“Take my commits on master, temporarily remove them, fast-forward master to release, then replay my commits on top.”