[PATCH] cgit: ignore SIGPIPE

[John Keeping]

On Sat, Oct 01, 2016 at 10:52:11PM +0200, Jason A. Donenfeld wrote:
> I see the utility of this with something like a highlight filter gone
> bad. But is it safe to do this in the context of an authentication
> filter? What's the failure behavior like once this patch is applied?

If we ignore SIGPIPE then we get an EPIPE error from write(2); in both
places that use write(2) we die if this happens.

So I think the only changes are our exit code and the fact that with
this patch we print an error message rather than exiting silently.