ostree/man/ostree-admin-upgrade.xml

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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
    "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">

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<refentry id="ostree">

    <refentryinfo>
        <title>ostree admin upgrade</title>
        <productname>OSTree</productname>

        <authorgroup>
            <author>
                <contrib>Developer</contrib>
                <firstname>Colin</firstname>
                <surname>Walters</surname>
                <email>walters@verbum.org</email>
            </author>
        </authorgroup>
    </refentryinfo>

    <refmeta>
        <refentrytitle>ostree admin upgrade</refentrytitle>
        <manvolnum>1</manvolnum>
    </refmeta>

    <refnamediv>
        <refname>ostree-admin-upgrade</refname>
        <refpurpose>Construct new tree from current origin and deploy it, if it changed</refpurpose>
    </refnamediv>

    <refsynopsisdiv>
            <cmdsynopsis>
                <command>ostree admin upgrade</command> <arg choice="opt" rep="repeat">OPTIONS</arg>
            </cmdsynopsis>
    </refsynopsisdiv>

    <refsect1>
        <title>Description</title>

        <para>
            Downloads the latest version of the current ref from the build server and deploys it, if it changed.  Reboot the machine for the changes to take effect.
        </para>
    </refsect1>

    <refsect1>
        <title>Options</title>

        <variablelist>
            <varlistentry>
                <term><option>--os</option>="OSNAME"</term>

                <listitem><para>
                    Use a different operating system root than the current one.
                </para></listitem>
            </varlistentry>

            <varlistentry>
                <term><option>--reboot</option>,<option>-r</option></term>

                <listitem><para>
                    Reboot after a successful upgrade.
                </para></listitem>
            </varlistentry>
            
            <varlistentry>
                <term><option>--allow-downgrade</option></term>

                <listitem><para>
                    Permit deployment of chronologically older trees.
                </para></listitem>
            </varlistentry>

            <varlistentry>
                <term><option>--override-commit</option>="CHECKSUM"</term>

                <listitem><para>
                    Deploy CHECKSUM instead of the latest tree.
                </para></listitem>
            </varlistentry>
        </variablelist>
    </refsect1>

<!-- Can we have a real example with output? -->
    <refsect1>
        <title>Example</title>
        <para><command>$ ostree admin upgrade</command></para>
<programlisting>
        No update available.
</programlisting>
    </refsect1>
</refentry>