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From: Sergey Matveev <stargrave@stargrave•org>
To: goredo-devel@lists.cypherpunks.ru
Subject: Re: Multiple calls to redo-* for same target results in multiple .rec entries
Date: Wed, 10 Nov 2021 13:47:51 +0300 [thread overview]
Message-ID: <YYujYzmSMOZ9/mMI@stargrave.org> (raw)
In-Reply-To: <c1957b79-90dc-4b23-8831-2d942c1bc51f@spacefrogg.net>
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*** goredo [2021-11-09 13:43]:
>For instance, I can force a non-empty target always OOD by creating an -ifcreate dependency on itself. Because the output is now clearly there, which signals OOD. If this is intended, could you document that in the FAQ? Because it's hard for newcomers to grasp the idioms of redo.
First of all -- I am definitely could be probably wrong at assumptions
and idioms :-). Of course ability of redo-ifcreate to OOD self is not
something previously thought. It is just a side effect. Just nothing
explicitly prevents you from doing ifcreate-dependency. Of course redo
implementation could forbid it explicitly, but I do not know why and how
it would harm.
I think that if target's author made redo-ifcreate on something already
existing -- it is problem (if it is a problem at all) of the .do author.
Well, ok, redo tool can help to catch as many mistakes or strange things
as much as it can, like warning about simultaneous stdout+$3 output,
like touching the $1 directly. Seems that redo-ifcreate to already
(currently) existing file is anyway something strange -- goredo can
print warning that it records ifcreate-dependency to already existing
file. But just a warning, because anyway that file can appear after a
microsecond after the check, while .do-target is still not completed.
Will add that, because it seems to be harmless, but possibly helpful to
somebody.
--
Sergey Matveev (http://www.stargrave.org/)
OpenPGP: CF60 E89A 5923 1E76 E263 6422 AE1A 8109 E498 57EF
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next prev parent reply other threads:[~2021-11-10 10:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-27 17:18 Multiple calls to redo-* for same target results in multiple .rec entries goredo
2021-10-31 8:21 ` Sergey Matveev
2021-11-04 15:35 ` goredo
2021-11-09 9:13 ` Sergey Matveev
2021-11-09 13:43 ` goredo
2021-11-10 10:47 ` Sergey Matveev [this message]
2021-11-10 12:22 ` redo-stamp Sergey Matveev