Re: [PATCH] t9700: fix test for perl older than 5.14

[Dennis Kaarsemaker <dennis@kaarsemaker.net>]

On vr, 2016-03-04 at 06:43 -0500, Jeff King wrote:
> On Fri, Mar 04, 2016 at 11:58:24AM +0100, Dennis Kaarsemaker wrote:
> 
> > On vr, 2016-03-04 at 03:56 -0500, Jeff King wrote:
> > > ? Those are just guesses, but if we are tickling a bug in perl's parser,
> > > this might avoid them. I also wondered when "/r" appeared. It was in
> > > 5.14, so you're presumably good there. The "use" statement at the top of
> > > the script says "5.008", so perhaps we should be writing it out longhand
> > > anyway (that version is "only" 5 years old, so I suspect there are still
> > > systems around with 5.12 or older).
> > 
> > Knowing the system Christian is testing on, I think the problem is that
> > the tests are actually being run against perl 5.10, which RHEL 6 ships
> > as system perl. As that's still a supported OS, writing tests in a form
> > compatible with it would be a good thing :)
> 
> That would make sense. `perl` in t9700-perl-git.sh (and all of our
> scripts) is actually a shell function:
> 
>   perl () {
>           command "$PERL_PATH" "$@"
>   }
> 
> to make sure we respect PERL_PATH everywhere. And that defaults in the
> Makefile to /usr/bin/perl. Christian presumably has 5.14 in his $PATH,
> but /usr/bin/perl is the system 5.10.

Yeah, that's how our systems are set up.

> One workaround would therefore be for him to tweak PERL_PATH, but
> obviously that does not help anyone else. I think we should do this:

Tested against 5.10 and 5.18 and works with both. I also tested the /r
variant with 5.18 and that works as expected.

-- 
Dennis Kaarsemaker
http://www.kaarsemaker.net