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12b42c7667
This did not really work out as we had hoped. Trying to do this upstream introduced several problems that probably makes it better suited as a downstream patch after all. At any rate, it is not releaseable in the current state, so we at least need to revert this before the release. * by adjusting the path to binaries, but not do the same thing to the search path we end up with inconsistent man-pages. Adjusting the search path too would be quite messy, and it is not at all obvious that this is worth the effort, but at any rate it would have to be done before we could ship this. * this means that distributed man-pages does not make sense as they depend on config options, and for better or worse we are still distributing man pages, so that is something that definitely needs sorting out before we could ship with this patch. * we have long held that split-usr is only minimally supported in order to boot, and something we hope will eventually go away. So before we start adding even more magic/effort in order to make this work nicely, we should probably question if it makes sense at all.
98 lines
3.8 KiB
XML
98 lines
3.8 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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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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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 requires 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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