$ git checkout config.pl $ git status
git checkout FILENAME will replace FILENAME in the work tree with the one committed (or if there is a version already staged then to that version). You loose your local work.
git checkout . will do it for all the files in the tree.
On branch master Changes not staged for commit: (use "git add <file>..." to update what will be committed) (use "git checkout -- <file>..." to discard changes in working directory) modified: README.txt Untracked files: (use "git add <file>..." to include in what will be committed) setup.pl no changes added to commit (use "git add" and/or "git commit -a")