[PATCH] testrun.sh: Improve --help message

[Lucas A. M. Magalhaes]

Hi Carlos. Can you push this for me?

Quoting Carlos O'Donell (2021-05-10 10:39:57)
> On 5/3/21 5:22 PM, Lucas A. M. Magalhaes via Libc-alpha wrote:
> > The testrun.sh --help message was missing the "container" option.
> > Besides just adding the missing option I decide to rewrite it in the
> > same layout as other tools.
> 
> LGTM.
> 
> Reviewed-by: Carlos O'Donell <carlos@redhat.com>
> 
> > ---
> >  Makefile | 9 +++++++--
> >  1 file changed, 7 insertions(+), 2 deletions(-)
> > 
> > diff --git a/Makefile b/Makefile
> > index 50f99ca611..242d36de91 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -144,8 +144,13 @@ builddir=`dirname "$$0"`
> >  GCONV_PATH="$${builddir}/iconvdata"
> >  
> >  usage () {
> > -  echo "usage: $$0 [--tool=strace] PROGRAM [ARGUMENTS...]" 2>&1
> > -  echo "       $$0 --tool=valgrind PROGRAM [ARGUMENTS...]" 2>&1
> > +cat << EOF
> > +Usage: $$0 [OPTIONS] <program> [ARGUMENTS...]
> > +
> > +  --tool=TOOL  Run with the specified TOOL. It can be strace, valgrind or
> > +               container. The container will run within support/test-container.
> > +EOF
> > +
> >    exit 1
> >  }
> >  
> > 
> 
> 
> -- 
> Cheers,
> Carlos.
>