Re: [PATCH 2/3] test-lib: add --verbose-log option

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On Fri, Oct 21, 2016 at 10:12:16AM -0700, Junio C Hamano wrote:

> > -if test "$verbose" = "t"
> > +if test "$verbose_log" = "t"
> > +then
> > +	exec 3>>"$GIT_TEST_TEE_OUTPUT_FILE" 4>&3
> > +elif test "$verbose" = "t"
> >  then
> >  	exec 4>&2 3>&1
> >  else
> 
> OK, unlike "verbose" case where we give 3 (saved stdout) to 1 and 4
> (saved stderr) to 2, we send 3 to the output file and 4 to the same.

Your comment made me double-check whether we ought to be separating the
two in any way. Because my statement earlier in the thread that the
--verbose output goes to stdout is not _entirely_ true. It goes to
stdout and stderr, as written by the various programs in the tests.

So:

  ./t0000-whatever.sh -v | less

isn't quite sufficient. You really do want "2>&1" in there to catch
everything.

But for the case of "--tee", we already do so, in order to make sure it
all goes to the logfile. And since this option always implies "--tee",
it is correct here to send "3" and "4" to the same place.

So the patch is correct. But when I said earlier that people might be
annoyed if we just sent --verbose output to stderr, that probably isn't
true. We could perhaps make:

  prove t0000-whatever.sh :: -v

"just work" by sending all of the verbose output to stderr. I don't
think it really matters, though. Nobody is doing that, because it's
pointless without "--tee".

-Peff



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