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Add VARIANT as a standard value for /etc/os-release

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Some distributions (such as Fedora) are using the VARIANT field to
indicate to select packages which of several default configurations
they should be using. For example, VARIANT=Server provides a
different default firewall configuration (blocking basically
everything but SSH and the management console) whereas
VARIANT=Workstation opens many other ports for application
compatibility.

By adding this patch to the manual pages, we can standardize on a
cross-distribution mechanism for accomplishing this.

Fedora implementation details are available at
https://fedoraproject.org/wiki/Packaging:Per-Product_Configuration

(David: drop double paranthesis)
This commit is contained in:
Stephen Gallagher 2015-04-29 08:19:05 -04:00 committed by David Herrmann
parent 2e8522767e
commit be7d0048dd
1 changed files with 35 additions and 0 deletions
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35
man/os-release.xml
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@ -273,6 +273,41 @@
</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>VARIANT=</varname></term>
<listitem><para>
A string identifying a specific variant or edition of the
operating system suitable for presentation to the user. This
field may be used to inform the user that the configuration of
this system is subject to a specific divergent set of rules or
default configuration settings. This field is optional and may
not be implemented on all systems.
Examples:
<literal>VARIANT="Server Edition"</literal>,
<literal>VARIANT="Smart Refrigerator Edition"</literal>
Note: this field is for display purposes only. The
<varname>VARIANT_ID</varname> field should be used for making
programmatic decisions.
</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>VARIANT_ID=</varname></term>
<listitem><para>
A lower-case string (no spaces or other characters outside of
0-9, a-z, ".", "_" and "-"), identifying a specific variant or
edition of the operating system. This may be interpreted by
other packages in order to determine a divergent default
configuration. This field is optional and may not be
implemented on all systems.
Examples:
<literal>VARIANT_ID=server</literal>,
<literal>VARIANT_ID=embedded</literal>
</para></listitem>
</varlistentry>
</variablelist>
<para>If you are reading this file from C code or a shell script