$ rm -rf d
$ mkdir -p d/patches
$ cd d
$ quilt new test.diff
>Patch patches/test.diff is now on top

$ echo foo > foo
$ quilt add foo
> File foo added to patch patches/test.diff

$ quilt add patches/bar
> File patches/bar is located below patches/

$ quilt add .pc/baz
> File .pc/baz is located below .pc/

$ cd ..
$ rm -rf d