--track::
When -b is given and a branch is created off a remote branch,
set up configuration so that git-pull will automatically
- retrieve data from the remote branch. Set the
+ retrieve data from the remote branch. Use this if you always
+ pull from the same remote branch into the new branch, or if you
+ don't want to use "git pull <repository> <refspec>" explicitly. Set the
branch.autosetupmerge configuration variable to true if you
want git-checkout and git-branch to always behave as if
'--track' were given.