From: Junio C Hamano <junkio@cox.net>
Date: Wed, 16 Aug 2006 21:18:56 GMT
Subject: Re: [RFC/PATCH] Trace into a file if GIT_TRACE can interpreted as a filename.
Message-ID: <7vhd0c2xbz.fsf@assigned-by-dhcp.cox.net>
In-Reply-To: <20060816225846.ae424b46.chriscool@tuxfamily.org>

Christian Couder <chriscool@tuxfamily.org> writes:

> So this change is not compatible with the previous
> behavior, because stderr will not be used anymore if
> GIT_TRACE is set to something other than "1" or "true".
> No file locking is done. This maybe a problem.

I wonder if we can pass an already opened file descriptor to
GIT_TRACE.  E.g.

	GIT_TRACE=9 make test 9>/var/tmp/trace.log

and make the trace code to emit the message with one write(2) to
make sure messages from processes do not get mixed up in the
middle.