branch so that 'git pull' will appropriately merge from
the remote-tracking branch. This behavior may be changed via the global
`branch.autosetupmerge` configuration flag. That setting can be
-overridden by using the `--track` and `--no-track` options.
+overridden by using the `--track` and `--no-track` options, and
+changed later using `git branch --set-upstream`.
With a '-m' or '-M' option, <oldbranch> will be renamed to <newbranch>.
If <oldbranch> had a corresponding reflog, it is renamed to match