Yes, support your friend. If you really don't want to add to your stash, find a charity to donate the fabric to.
I've been so boringly good this year about not buying fabric. I went to JoAnns the other day to see if I could find a 1/2 yard vegetable themed length for a swap I'm involved in, and didn't find what I was looking for. Even with a 50% off coupon I didn't buy something else. B.O.R.I.N.G.