On Wed, Aug 31, 2016 at 3:36 AM Johannes Schindelin
<johannes.schinde...@gmx.de> wrote:
> On Tue, 30 Aug 2016, Junio C Hamano wrote:
> > Jeff King <p...@peff.net> writes:
> > > Hmm, interesting. Your approach seems reasonable, but I have to wonder
> > > if writing the pid in the first place is sane.
> > >
> > > I started to write up my reasoning in this email, but realized it was
> > > rapidly becoming the content of a commit message. So here is that
> > > commit.
> >
> > Sounds sensible; if this makes Dscho's "which ones failed in the
> > previous run" simpler, that is even better ;-)
> I did not have the time to dig further before now. There must have been a
> good reason why we append the PID.
> Sverre, you added that code in 2d84e9f (Modify test-lib.sh to output stats
> to t/test-results/*, 2008-06-08): any idea why the -<pid> suffix was
> needed?

I can't really recall, but I think it may have been related to me
doing something like this:
1. Make a change, and start running tests (this takes a long time)
2. Notice a failure, start fixing it, leave tests running to find
further failures
3. Finish fix, first tests are still running, start another run in a
new terminal (possibly of just the one failed test I was fixing) to
see if the fix worked.

Without the pid, the second run would clobber the results from the first run.

If only past-me was more rigorous about writing good commit messages :P.

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