Re: [gentoo-python] Re: [PATCH 5/5] Re-enable split logs, now in python*_foreach_impl().

[Michał Górny]

On Sat, 23 Feb 2013 20:42:10 -0500
Mike Gilbert <floppym@g.o> wrote:

> On 02/21/2013 05:10 PM, Michał Górny wrote:
> >  			[[ ${ret} -eq 0 && ${lret} -ne 0 ]] && ret=${lret}
> > @@ -655,7 +664,8 @@ python_parallel_foreach_impl() {
> >  	_python_parallel() {
> >  		(
> >  			multijob_child_init
> > -			"${@}"
> > +			"${@}" 2>&1 | tee -a "${T}/build-${EPYTHON}.log"
> > +			exit ${PIPESTATUS[0]}
> >  		) &
> >  		multijob_post_fork
> >  	}
> >
>
> Why do we call "exit ${PIPESTATUS[0]}"? I have never seen that before.

${PIPESTATUS[n]} is exit status of n-th thing in the pipe. So:

  ${PIPESTATUS[0]} is the status of ${1}

  ${PIPESTATUS[1]} == ${?} is the status of 'tee'

-- 
Best regards,
Michał Górny