Re: [PATCH] pgbench tap tests fail if the path contains a perl special character

From: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com>, Raúl Marín Rodríguez <rmrodriguez(at)carto(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [PATCH] pgbench tap tests fail if the path contains a perl special character
Date: 2019-01-21 16:18:02
Message-ID: alpine.DEB.2.21.1901211712090.28235@lancre
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Hello Tom,

> Well, glob does have some metacharacters, so not doing any quoting
> at all still leaves us with failure modes.
>
> I did a little bit of googling on this subject last night, and it
> seems that at least some people believe that the answer is to not
> use glob, period, but read the directory for yourself.

Yep, would work, it can then be filtered with standard regexpr, although
it will take a few lines (opendir/grep on readdir/closedir).

> Maybe there's a better way, but the breakage around backslashes doesn't
> really leave me hopeful.

Indeed. I was thinking of defining my own quote function, but without
being convinced that it is such a good idea.

> As a short-term move to un-break the buildfarm, I'm just going to
> revert that patch altogether.

I was considering to suggest that, so I'm ok with that.

> We can reapply it once we've figured out how to do the glob part
> correctly.

Yep. No need to spend time much on that, I'll have a look at it, although
not right now, allow me a few days.

--
Fabien.

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