By doing this all uncommitted local changes to tracked files will be lost and the local files that are not tracked by git  will not be affected.

git checkout --f
git pull --all

best way is that stash your changes means that keep your changes in git record that does not do any effect on your any brach or repository later you can use this code using apply stash 

git stash --include-untracked

how to apply stash using git cmd

git stash pop