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Reply-To:	Brian DOT Inglis AT SystematicSw DOT ab DOT ca
Subject:	Re: setup-x86_64.exe v2.889 doesn't select additionally downloaded packages when installing from local directory
To:	cygwin AT cygwin DOT com
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From:	Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Message-ID:	<bff472bf-136f-d5d0-b157-61816464b8c7@SystematicSw.ab.ca>
Date:	Fri, 23 Mar 2018 18:57:42 -0600
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On 2018-03-23 10:59, Ken Brown wrote:
> On 3/23/2018 12:42 PM, Achim Gratz wrote:
>> 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,
> 
> I agree.  That was a bad idea.
> 
>> 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).
> 
> I don't think a general need has been demonstrated.  This is the first case I
> can recall seeing.
> 
> I do think that this case should be fixed, one way or another, in
> /etc/postinstall/fontconfig_dtd.sh.  That script assumes, on the basis of [ -x
> /usr/bin/xmlcatalog ], that the catalog /etc/xml/catalog has already been created.

Cygwin [/usr?]/sbin/create_etc_xml_catalog.sh script provided by libxml2 and run
by both postinstall scripts if present:

$ cat /sbin/create_etc_xml_catalog.sh
if [ ! -f /etc/xml/catalog ] && [ -x /usr/bin/xmlcatalog ] ; then
	/bin/mkdir -p /etc/xml
	/usr/bin/xmlcatalog --noout --create /etc/xml/catalog
fi

$ cat /etc/postinstall/libxml2.sh
[ -x /sbin/create_etc_xml_catalog.sh ] && /sbin/create_etc_xml_catalog.sh

$ cat /etc/postinstall/fontconfig_dtd.sh
[ -x /sbin/create_etc_xml_catalog.sh ] && /sbin/create_etc_xml_catalog.sh
if [ -x /usr/bin/xmlcatalog ] ; then
    /usr/bin/xmlcatalog --noout --add "system" "fonts.dtd" \
	/usr/share/xml/fontconfig/fonts.dtd /etc/xml/catalog
fi

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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