# to fetch all branches and the changes all at once
git fetch --all
git branch -r | grep -v '->' | while read remote; do git branch --track "${remote#origin/}" "$remote"; done
git pull --all
git fetch --all
You can fetch all branches from all remotes like this:
git fetch --all
$ git checkout <remotebranchname>
Branch <remotebranchname> set up to track <remotebranchname>
Switched to a new branch 'remotebranchname'
git clone http://re_here.git branch