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From: Daniel Gustafsson <[email protected]>
To: Tom Lane <[email protected]>
Cc: Daniel Westermann (DWE) <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: Fir mkdir command in "Short Version" for installing from source
Date: Mon, 14 Mar 2022 15:28:47 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <ZR0P278MB0920263E7F2D546A33E50079D20E9@ZR0P278MB0920.CHEP278.PROD.OUTLOOK.COM>
	<[email protected]>
	<[email protected]>

> On 14 Mar 2022, at 15:01, Tom Lane <[email protected]> wrote:
> 
> Daniel Gustafsson <[email protected]> writes:
>> On 13 Mar 2022, at 17:05, Daniel Westermann (DWE) <[email protected]> wrote:
>>> Is it worth fixing that with "mkdir -p ..."? 
> 
>> Well, it will fail unless the user already had /usr/local/pgsql/, but I hear
>> what you're saying.  Though I bet almost anyone following this will be able to
>> figure it out but there is little to no value in not being correct.
> 
> I think that at the time that was written, mkdir didn't universally
> have a "-p" option.  But POSIX has required that for a very long
> time, so it's probably safe to assume it now.

Yeah, I wasn't able to find any credibly still useable system man page which
didn't list -p.  (the fact that IRIX seems to have been one of very few to have
a long option '--parents' was an interesting archeological tidbit learned.)

> A larger issue is that blind "mkdir -p" may not produce the ownerships
> and permissions you want for the parent directories.  That's not a
> topic to get into in a one-line summary, though.

Agreed, we're skipping over lots of details in this short version.

I'll to make the mkdir -p change happen later today unless someone feels
strongly about leaving it out.

--
Daniel Gustafsson		https://vmware.com/

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