man: mention SYSEXT_LEVEL in os-release(5)

This commit is contained in:
Luca Boccassi 2021-01-12 19:30:49 +00:00 committed by Lennart Poettering
parent 60bb6caaae
commit 36b95d0440

View file

@ -317,6 +317,17 @@
</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>SYSEXT_LEVEL=</varname></term>
<listitem><para>A lower-case string (mostly numeric, no spaces or other characters outside of 09,
az, ".", "_" and "-") identifying the operating system extensions support level, to indicate which
extension images are supported (See:
<citerefentry><refentrytitle>systemd-sysext</refentrytitle><manvolnum>8</manvolnum></citerefentry>).
Example: <literal>SYSEXT_LEVEL=2</literal> or
<literal>SYSEXT_LEVEL=15.14</literal>.</para></listitem>
</varlistentry>
</variablelist>
<para>If you are reading this file from C code or a shell script