$ mkdir "work dir"
$ cd "work dir"

$ mkdir project
$ cd project

$ mkdir patches
$ mkdir subdir

$ echo old > a
$ quilt new 1.patch
> Patch patches/1.patch is now on top

$ quilt add a
> File a added to patch patches/1.patch

$ echo new > a
$ quilt refresh
> Refreshed patch patches/1.patch

$ cat patches/1.patch
> Index: project/a
> ===================================================================
> --- project.orig/a
> +++ project/a
> @@ -1 +1 @@
> -old
> +new

$ echo newer > a
$ quilt diff -z
> Index: project/a
> ===================================================================
> --- project.orig/a
> +++ project/a
> @@ -1 +1 @@
> -new
> +newer

$ quilt revert a
> Changes to a in patch patches/1.patch reverted
$ quilt diff -z
$ echo newer > a

$ quilt refresh -z
> Fork of patch patches/1.patch created as patches/1-2.patch
$ quilt series
> patches/1.patch
> patches/1-2.patch
$ cat patches/1.patch
> Index: project/a
> ===================================================================
> --- project.orig/a
> +++ project/a
> @@ -1 +1 @@
> -old
> +new
$ cat patches/1-2.patch
> Index: project/a
> ===================================================================
> --- project.orig/a
> +++ project/a
> @@ -1 +1 @@
> -new
> +newer

# Running a command when not at the root of the project tests additional
# code paths
$ cd subdir
$ quilt pop -q
> Removing patch ../patches/1-2.patch
> Now at patch ../patches/1.patch
$ quilt diff --no-index
> --- project.orig/a
> +++ project/a
> @@ -1 +1 @@
> -old
> +new
$ cd ..

$ quilt pop
> Removing patch patches/1.patch
> Restoring a
>
> No patches applied

$ quilt push
> Applying patch patches/1.patch
> patching file a
>
> Now at patch patches/1.patch

$ quilt top
> patches/1.patch

$ quilt series -v
> = patches/1.patch
>   patches/1-2.patch

$ quilt fold < patches/1-2.patch
> patching file a

$ quilt diff -z
> Index: project/a
> ===================================================================
> --- project.orig/a
> +++ project/a
> @@ -1 +1 @@
> -new
> +newer

$ quilt refresh
> Refreshed patch patches/1.patch

$ quilt delete -rn
> Removed patch patches/1-2.patch

$ quilt remove a
> File a removed from patch patches/1.patch