<?xml version="1.0"?>
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<refentry xmlns="http://docbook.org/ns/docbook" xml:lang="en">
  <info>
    <author>
      <personname>
        <firstname>Guido</firstname>
        <surname>Berhoerster</surname>
      </personname>
      <email>guido+pui@berhoerster.name</email>
      <personblurb/>
    </author>
    <date>19 June, 2018</date>
  </info>
  <refmeta>
    <refentrytitle>package-update-indicator</refentrytitle>
    <manvolnum>1</manvolnum>
    <refmiscinfo class="source"/>
    <refmiscinfo class="version"/>
    <refmiscinfo class="manual">User Commands</refmiscinfo>
  </refmeta>
  <refnamediv>
    <refname>package-update-indicator</refname>
    <refpurpose>notify about available software updates</refpurpose>
  </refnamediv>
  <refsynopsisdiv>
    <cmdsynopsis>
      <command>package-update-indicator</command>
      <group>
        <arg choice="plain">
          <option>-q</option>
        </arg>
        <arg choice="plain">
          <option>--quit</option>
        </arg>
      </group>
      <group>
        <arg choice="plain">
          <option>-V</option>
        </arg>
        <arg choice="plain">
          <option>--version</option>
        </arg>
      </group>
    </cmdsynopsis>
  </refsynopsisdiv>
  <refsect1>
    <title>Description</title>
    <para>The <command>package-update-indicator</command> utility regularly
    checks for software updates and notifies the user about available updates
    using desktop notifications and either a status notifier icon or a system
    tray icon.</para>
    <para>Protocol-specific proxies specified through the corresponding
    environment variables will be used by PackagKit when refreshing metadata if
    the user is allowed to use the polkit action
    <literal>org.freedesktop.packagekit.system-network-proxy-configure</literal>
    without authentication.</para>
  </refsect1>
  <refsect1>
    <title>Options</title>
    <para>The following options are supported:</para>
    <variablelist>
      <varlistentry>
        <term>
          <option>-q</option>
        </term>
        <term>
          <option>--quit</option>
        </term>
        <listitem>
          <para>Quit the running instance of
          <command>package-update-indicator</command>.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term>
          <option>-V</option>
        </term>
        <term>
          <option>--version</option>
        </term>
        <listitem>
          <para>Print the version number and exit.</para>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsect1>
  <refsect1>
    <title>Environment Variables</title>
    <variablelist>
      <varlistentry>
        <term>http_proxy</term>
        <listitem>
          <para>Network proxy using the HTTP protcol.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term>https_proxy</term>
        <listitem>
          <para>Network proxy using the HTTPS protcol.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term>ftp_proxy</term>
        <listitem>
          <para>Network proxy using the FTP protcol.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term>socks_proxy</term>
        <listitem>
          <para>Network proxy using the SOCKS protcol.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term>no_proxy</term>
        <listitem>
          <para>Comma-separated list of host for which no proxy should be
            used.</para>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsect1>
  <refsect1>
    <title>Exit Status</title>
    <para>The following exit values are returned:</para>
    <variablelist>
      <varlistentry>
        <term>0</term>
        <listitem>
          <para>Command successfully executed.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term>1</term>
        <listitem>
          <para>An unspecified error has occured.</para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term>2</term>
        <listitem>
          <para>Invalid command line options were specified.</para>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsect1>
  <refsect1>
    <title>See Also</title>
    <para><citerefentry>
      <refentrytitle>package-update-indicator-prefs</refentrytitle>
      <manvolnum>1</manvolnum></citerefentry>,
      <citerefentry><refentrytitle>polkit</refentrytitle>
      <manvolnum>8</manvolnum></citerefentry></para>
  </refsect1>
</refentry>