$ mkdir d
$ cd d
$ mkdir patches
$ 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