We all love git because it is fast and branching is cheap (especially this if you have used other VCS where branching requires going for a walk, e.g. Perforce and Alienbrain).

With the default git configuration mode for pushing branches (simple) you would have been frustrated with this message.

fatal: The current branch testing-123 has no upstream branch.
To push the current branch and set the remote as upstream, use

    git push --set-upstream origin testing-123

Until recently, I've just "dealt with it" and copied/pasted the provided line. But we can do better by adding new alias

git config --global push.default "simple"
git config --global alias.push-new "push --set-upstream origin HEAD"

giphy

For other git workflow, see my other post on Creating an awesome git experience on Windows.