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11a1589223
Files which are installed as-is (any .service and other unit files, .conf files, .policy files, etc), are left as is. My assumption is that SPDX identifiers are not yet that well known, so it's better to retain the extended header to avoid any doubt. I also kept any copyright lines. We can probably remove them, but it'd nice to obtain explicit acks from all involved authors before doing that.
87 lines
3.2 KiB
XML
87 lines
3.2 KiB
XML
<?xml version="1.0"?>
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<!--*-nxml-*-->
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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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<!--
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SPDX-License-Identifier: LGPL-2.1+
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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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-->
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<refentry id="systemd-update-done.service">
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<refentryinfo>
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<title>systemd-update-done.service</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lennart</firstname>
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<surname>Poettering</surname>
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<email>lennart@poettering.net</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>systemd-update-done.service</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-update-done.service</refname>
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<refname>systemd-update-done</refname>
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<refpurpose>Mark <filename>/etc</filename> and <filename>/var</filename> fully updated</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>systemd-update-done.service</filename></para>
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<para><filename>/usr/lib/systemd/systemd-update-done</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><filename>systemd-update-done.service</filename> is a
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service that is invoked as part of the first boot after the vendor
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operating system resources in <filename>/usr</filename> have been
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updated. This is useful to implement offline updates of
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<filename>/usr</filename> which might require updates to
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<filename>/etc</filename> or <filename>/var</filename> on the
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following boot.</para>
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<para><filename>systemd-update-done.service</filename> updates the
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file modification time (mtime) of the stamp files
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<filename>/etc/.updated</filename> and
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<filename>/var/.updated</filename> to the modification time of the
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<filename>/usr</filename> directory, unless the stamp files are
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already newer.</para>
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<para>Services that shall run after offline upgrades of
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<filename>/usr</filename> should order themselves before
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<filename>systemd-update-done.service</filename>, and use the
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<varname>ConditionNeedsUpdate=</varname> (see
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<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>)
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condition to make sure to run when <filename>/etc</filename> or
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<filename>/var</filename> are older than <filename>/usr</filename>
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according to the modification times of the files described above.
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This requires that updates to <filename>/usr</filename> are always
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followed by an update of the modification time of
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<filename>/usr</filename>, for example by invoking
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<citerefentry project='man-pages'><refentrytitle>touch</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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on it.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry project='man-pages'><refentrytitle>touch</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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