$ rm -rf d
	$ mkdir -p d/patches
	$ cd d

	$ echo foo > foo
	$ ln foo foo2
	$ ls -l foo | awk '{ print $2 }'
	> 2

	$ quilt new test.diff
	> Patch patches/test.diff is now on top

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

	$ ls -l foo | awk '{ print $2 }'
	> 1

	$ ls -l .pc/test.diff/foo | awk '{ print $2 }'
	> 2

	$ echo "foo changed" > foo
	$ quilt refresh
	> Refreshed patch patches/test.diff

	$ quilt new test2.diff
	> Patch patches/test2.diff is now on top

	$ quilt add foo
	> File foo added to patch patches/test2.diff

	$ ls -l foo | awk '{ print $2 }'
	> 1

	$ ls -l .pc/test2.diff/foo | awk '{ print $2 }'
	> 1

	$ echo "foo changed again" > foo
	$ quilt refresh
	> Refreshed patch patches/test2.diff

	$ quilt pop -q
	> Removing patch patches/test2.diff
	> Now at patch patches/test.diff

	$ ls -l foo | awk '{ print $2 }'
	> 1

	$ quilt pop -q
	> Removing patch patches/test.diff
	> No patches applied

	$ ls -l foo | awk '{ print $2 }'
	> 2

	$ cd ..
	$ rm -rf d