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From: Achim Gratz <Stromeko AT nexgo DOT de>
To: cygwin AT cygwin DOT com
Subject: Re: setup-x86_64.exe v2.889 doesn't select additionally downloaded packages when installing from local directory
References: <8571f617c5a740608e267364827e7733 AT merl DOT com>	<e09f2959-0d76-f206-f0ed-107d3e13ebb4 AT dronecode DOT org DOT uk>	<acacb2af2d96468295c8c959b900909f AT merl DOT com>	<2adead6b-07d0-e457-0191-5b9bac7c2e8f AT dronecode DOT org DOT uk>	<b03fcc59d6ed4831b4f7c9a225d14466 AT merl DOT com>	<fab9c762-6020-3084-dcbf-7a006a41ee58 AT dronecode DOT org DOT uk>	<92c3950f-5f52-43a2-8427-83bc4cb6dc2c AT cornell DOT edu>
Date: Fri, 23 Mar 2018 17:42:44 +0100
In-Reply-To: <92c3950f-5f52-43a2-8427-83bc4cb6dc2c@cornell.edu> (Ken Brown's	message of "Thu, 22 Mar 2018 17:47:59 -0400")
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Ken Brown writes:
>> I think there's no actual dependency of libfontconfig-common on
>> xmlcatalog, but we lack a triggering mechanism to say "run this
>> script when this other package is installed"
>
> /etc/postinstall/fontconfig_dtd.sh could check whether
> /etc/postinstall/libxml2.sh exists.  If so, it could run it and then
> add '.done' so it isn't run again.

While this seems to maybe solve this particular problem, I really don't
think that it is a good idea to have postinstall scripts run other
postinstall scripts and then deactivate them behind the back of
setup.exe.  Please let's not go there, if there is a general need to
coordinate among postinstall scripts let's try to solve that within
setup (the stratified postinstall concept does allow for something like
that, it's just not yet fully specified or implemented).


Regards.
Achim.
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