Hairline crack in rear brake line, Anyone else seen this? Options

[billd]

A few weeks ago at the autocross at Marina I lost my brakes - wound up being one of my fastest runs. I found the fluid reservoir empty. I borrowed some brake fluid, topped the reservoir up and things worked fine. I tightened the nuts holding the lines to the front calipers and thought I had the problem licked - the fluid level appeared to be stable.

I just noticed the fluid level down a bit and so went to investigate. I found the fluid leaking by the nut holding the brake line to the right rear caliper. I attempted to tighten the nut and the problem got worse. I removed the line and upon inspection found a tiny crack in the line level with the top of the nut that holds it to the caliper.

Two questions. First, anyone know where I can get a new brake line in the Bay area? I'd like to get this in time to run at the autocross at Marina next Sunday. Do I need a special 914 line or will any "import" line with the right fittings do?

Second, the nut that holds the line to the rear caliper is a bear to get a wrench on. My 11mm flare nut wrench can move about 10 degrees before it bumps into either the line, the caliper, or the trailing arm. Is there any elegant way to get a flare-nut wrench on this nut? Or is there a special tool I'm supposed to be using.