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systemd/man/systemd-ac-power.xml
Abderrahim Kitouni ec07c3c80b man: add version info
This tries to add information about when each option was added. It goes
back to version 183.

The version info is included from a separate file to allow generating it,
which would allow more control on the formatting of the final output.
2023-08-29 14:07:24 +01:00

84 lines
2.6 KiB
XML

<?xml version='1.0'?> <!--*-nxml-*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
<refentry id="systemd-ac-power" xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>systemd-ac-power</title>
<productname>systemd</productname>
</refentryinfo>
<refmeta>
<refentrytitle>systemd-ac-power</refentrytitle>
<manvolnum>1</manvolnum>
</refmeta>
<refnamediv>
<refname>systemd-ac-power</refname>
<refpurpose>Report whether we are connected to an external power source</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>systemd-ac-power</command>
<arg choice="opt" rep="repeat">OPTIONS</arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para><command>systemd-ac-power</command> may be used to check whether the system
is running on AC power or not. By default it will simply return success (if we
can detect that we are running on AC power) or failure, with no output.
This can be useful for example to debug <varname>ConditionACPower=</varname> (see
<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>).</para>
</refsect1>
<refsect1>
<title>Options</title>
<para>The following options are understood:</para>
<variablelist>
<varlistentry>
<term><option>-v</option></term>
<term><option>--verbose</option></term>
<listitem><para>Show result as text instead of just returning success or failure.</para>
<xi:include href="version-info.xml" xpointer="v253"/></listitem>
</varlistentry>
<varlistentry>
<term><option>--low</option></term>
<listitem><para>Instead of showing AC power state, show low battery state. In this case will return
zero if all batteries are currently discharging and below 5% of maximum charge. Returns non-zero
otherwise.</para>
<xi:include href="version-info.xml" xpointer="v254"/></listitem>
</varlistentry>
<xi:include href="standard-options.xml" xpointer="help" />
<xi:include href="standard-options.xml" xpointer="version" />
</variablelist>
</refsect1>
<refsect1>
<title>Exit status</title>
<para>On success (running on AC power), 0 is returned, a non-zero failure code otherwise.</para>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>
</refsect1>
</refentry>