$ # comment manager is an individual project ~/projects/comment-manager/
$ # Keep your working folder symlinked to the folder that is present inside the git folder.

$ cd ~/projects/nextbigthing

$ mkdir comments-manager

$ ls -ltr

$ # Now go to your working folder, it could be like your /var/www or ~/Sites on your home folder.

$ cd ~/Sites/

# Create a symlink to your project's module to this separate/working directory.

$ ln -s ~/projects/nextbigthing/comments-manager/ comments-manager

$ # Now you can do all your development here in the working folder.