$ mkdir patches

	$ quilt new snapshot
	> Patch %{P}snapshot is now on top
	$ quilt add f.txt
	> File f.txt added to patch %{P}snapshot
	$ cat > f.txt
	< f.txt

	$ quilt add g.txt
	> File g.txt added to patch %{P}snapshot
	$ cat > g.txt
	< g.txt

	$ quilt refresh
	> Refreshed patch %{P}snapshot
	$ quilt snapshot

	$ quilt fork
	> Fork of patch %{P}snapshot created as %{P}snapshot-2

	$ rm g.txt
	$ quilt add h.txt
	> File h.txt added to patch %{P}snapshot-2

	$ cat > h.txt
	< h.txt

	$ cat >> f.txt
	< more changes

	$ quilt refresh
	> Refreshed patch %{P}snapshot-2

	$ quilt diff --snapshot | grep -v "^\\(---\\|+++\\)"
	>~ Index: [^/]+/f\.txt
	> ===================================================================
	> @@ -1 +1,2 @@
	>  f.txt
	> +more changes
	>~ Index: [^/]+/g\.txt
	> ===================================================================
	> @@ -1 +0,0 @@
	> -g.txt
	>~ Index: [^/]+/h\.txt
	> ===================================================================
	> @@ -0,0 +1 @@
	> +h.txt