fedora-comps/comps.rng

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<?xml version="1.0" encoding="UTF-8"?>
<!--
Comps file Relax-NG Schema
© 2006 Nicolas Mailhot <nim at fedoraproject dot org>
TODO: re-add namespace to this file
use that namespace to comps.xml files
create grammar for comps.xml.in
add more documentation for comps elements
-->
<grammar xmlns="http://relaxng.org/ns/structure/1.0"
xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0"
datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
<start>
<ref name="comps"/>
</start>
<define name="comps">
<element name="comps">
<oneOrMore>
<ref name="group"/>
</oneOrMore>
<zeroOrMore>
<ref name="category"/>
</zeroOrMore>
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<interleave><!-- We don't care what order these are in -->
<optional>
<ref name="whiteout"/>
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</optional>
<optional>
<ref name="blacklist"/>
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</optional>
<optional>
<ref name="langpacks"/>
</optional>
</interleave>
</element>
</define>
<define name="group">
<element name="group">
<!-- Example documentation. Please add more. -->
<a:documentation>This defines a package group.</a:documentation>
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<interleave>
<ref name="id"/>
<element name="default" a:defaultValue="true">
<a:documentation>Should the group be enabled by default?</a:documentation>
<ref name="boolean"/>
</element>
<element name="uservisible" a:defaultValue="true">
<a:documentation>Should the group be visible to users?</a:documentation>
<ref name="boolean"/>
</element>
<optional>
<element name="display_order">
<ref name="positiveInteger"/>
</element>
</optional>
<optional>
<element name="langonly">
<ref name="locale"/>
</element>
</optional>
<optional>
<ref name="groupreqlist"/>
</optional>
<ref name="packagelist"/>
</interleave>
</element>
</define>
<define name="groupreqlist">
<a:documentation>
Contains a list of other groups that this group requires.
This element has been ignored by yum et. al. since 2005 and should
therefore be considered deprecated.
</a:documentation>
<element name="grouplist">
<oneOrMore>
<ref name="groupreq"/>
</oneOrMore>
</element>
</define>
<define name="groupreq">
<element name="groupreq">
<ref name="groupname"/>
</element>
</define>
<define name="packagelist">
<element name="packagelist">
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<zeroOrMore>
<ref name="packagereq"/>
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</zeroOrMore>
</element>
</define>
<define name="packagereq">
<element name="packagereq">
<choice>
<attribute name="type" a:defaultValue="optional">
<choice>
<value>mandatory</value>
<value>default</value>
<value>optional</value>
</choice>
</attribute>
<group>
<attribute name="type" a:defaultValue="conditional">
<choice>
<value>conditional</value>
</choice>
</attribute>
<attribute name="requires">
<ref name="packagename"/>
</attribute>
</group>
</choice>
<optional>
<attribute name="basearchonly" a:defaultValue="false">
<ref name="boolean"/>
</attribute>
</optional>
<ref name="packagename"/>
</element>
</define>
<define name="category">
<element name="category">
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<interleave>
<ref name="id"/>
<optional>
<element name="display_order">
<ref name="positiveInteger"/>
</element>
</optional>
<ref name="grouplist"/>
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</interleave>
</element>
</define>
<define name="grouplist">
<element name="grouplist">
<oneOrMore>
<ref name="groupid"/>
</oneOrMore>
</element>
</define>
<define name="groupid">
<element name="groupid">
<ref name="string"/>
</element>
</define>
<define name="id">
<element name="id">
<ref name="ID"/>
</element>
<choice>
<!-- Either we have one _name and one _description (comps.xml.in) -->
<group>
<element name="_name">
<ref name="string"/>
</element>
<element name="_description">
<ref name="string"/>
</element>
</group>
<!-- Or we have one name, one description, and then zero-or-more
localized names and descriptions following that. -->
<group>
<element name="name">
<ref name="string"/>
</element>
<zeroOrMore>
<element name="name">
<attribute name="xml:lang">
<ref name="locale"/>
</attribute>
<ref name="string"/>
</element>
</zeroOrMore>
<element name="description">
<ref name="string"/>
</element>
<zeroOrMore>
<element name="description">
<attribute name="xml:lang">
<ref name="locale"/>
</attribute>
<ref name="string"/>
</element>
</zeroOrMore>
</group>
</choice>
</define>
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<define name="langpacks">
<a:documentation>
The "langpacks" item is a list of package-to-langpack mappings used
by the yum-langpacks plugin.
An example is:
&lt;match name="foo" install="foo-lang-%s"&gt;
When the 'foo' package is installed, the 'foo-lang-(language code)' package
will be installed for any configured languages.
</a:documentation>
<element name="langpacks">
<zeroOrMore>
<element name="match">
<attribute name="name">
<ref name="string"/>
</attribute>
<attribute name="install">
<ref name="string"/>
</attribute>
</element>
</zeroOrMore>
</element>
</define>
<define name="blacklist">
<a:documentation>
The "blacklist" is a list of packages that will be *removed* if found
during an upgrade. Typically this is used to handle tricky upgrade cases
that can't be modeled with existing RPM Obsoletes/Conflicts/etc.
Here's an example: In FC6, hal was a multilib package, but in F7 we split
it into (non-multilib) hal and (multilib) hal-libs.
So the system starts with hal.x86_64 and hal.i386 (for multilib compat).
We want to upgrade to hal.x86_64 and hal-libs.x86_64, with hal-libs.i386
for multilib. Upgrading hal.x86_64 will bring in hal-libs.x86_64, and
upgrading hal.i386 brings in hal-libs.i386. Adding a blacklist item for
'hal.i386' causes anaconda to remove the (now-unneeded) hal.i386,
which gives us the desired outcome.
</a:documentation>
<element name="blacklist">
<zeroOrMore>
<element name="package">
<attribute name="name">
<ref name="string"/>
</attribute>
<optional>
<attribute name="arch">
<ref name="string"/>
<a:documentation>
Arch to blacklist this package from. If unspecified, it will be
blocked on all arches.
<!-- Technically this should be an enum of known arches:
i386 x86_64 ppc ppc64 ia64 sparc alpha ... -->
</a:documentation>
</attribute>
</optional>
</element>
</zeroOrMore>
</element>
</define>
<define name="whiteout">
<a:documentation>
The RPM "whiteout" list is used to by RPM to break dependency loops.
Each "ignoredep" element has two attributes - "package" and "requires" -
which are both package names. While calculating dependencies, RPM will
ignore any dependency that results in p requiring r.
This is used to keep upgrades from getting stuck on known dependency loops,
like with mutually dependent packages (e.g. xinitrc and xorg-x11)
To feed this info to RPM, each item should be converted to a string of the
form 'package>requires', and the RPM macro '_dependency_whiteout' should be
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filled with a (whitespace-separated) list of these items.
</a:documentation>
<element name="whiteout">
<zeroOrMore>
<element name="ignoredep">
<attribute name="package">
<ref name="string"/>
</attribute>
<attribute name="requires">
<ref name="string"/>
</attribute>
</element>
</zeroOrMore>
</element>
</define>
<define name="boolean">
<choice>
<value>true</value>
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<value>True</value>
<value>false</value>
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<value>False</value>
</choice>
</define>
<define name="groupname">
<data type="string"/>
</define>
<define name="ID">
<data type="ID"/>
</define>
<!-- Should be a regexp -->
<define name="locale">
<data type="string"/>
</define>
<define name="packagename">
<data type="string"/>
</define>
<define name="positiveInteger">
<data type="positiveInteger"/>
</define>
<define name="string">
<data type="string"/>
</define>
</grammar>