Date: Wed, 21 Jul 2021 13:21:07 -0400
From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, "Jonathan S. Katz" <jkatz@postgresql.org>,
	"Daniel Westermann (DWE)" <daniel.westermann@dbi-services.com>,
	"pgsql-docs@lists.postgresql.org" <pgsql-docs@lists.postgresql.org>
Subject: Re: Link t the souce code
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On 2021-Jul-21, Peter Eisentraut wrote:

> On 21.07.21 01:45, Alvaro Herrera wrote:
> >   <screen>
> > -<userinput>gunzip postgresql-&version;.tar.gz</userinput>
> > -<userinput>tar xf postgresql-&version;.tar</userinput>
> > +<userinput>tar xfa postgresql-&version;.tar.gz</userinput>
> >   </screen>
> 
> The "a" option only applies when creating a tar archive ("c" command). So
> adding it here does nothing.

Oh, so the current `tar x` knows to uncompress the file without any
additional options?  I've been pointlessly adding 'z', 'j', 'a' for years ...
That means we can remove the `gunzip` line and replace it with nothing.
WFM ...

-- 
Álvaro Herrera              Valdivia, Chile  —  https://www.EnterpriseDB.com/
"But static content is just dynamic content that isn't moving!"
                http://smylers.hates-software.com/2007/08/15/fe244d0c.html