681eb9cf2b
In particular, use /lib/systemd instead of /usr/lib/systemd in distributions like Debian which still have not adopted a /usr merge setup. Use XML entities from man/custom-entities.ent to replace configured paths while doing XSLT processing of the original XML files. There was precedent of some files (such as systemd.generator.xml) which were already using this approach. This addresses most of the (manual) fixes from this patch: http://anonscm.debian.org/cgit/pkg-systemd/systemd.git/tree/debian/patches/Fix-paths-in-man-pages.patch?h=experimental-220 The idea of using generic XML entities was presented here: http://lists.freedesktop.org/archives/systemd-devel/2015-May/032240.html This patch solves almost all the issues, with the exception of: - Path to /bin/mount and /bin/umount. - Generic statements about preference of /lib over /etc. These will be handled separately by follow up patches. Tested: - With default configure settings, ran "make install" to two separate directories and compared the output to confirm they matched exactly. - Used a set of configure flags including $CONFFLAGS from Debian: http://anonscm.debian.org/cgit/pkg-systemd/systemd.git/tree/debian/rules Installed the tree and confirmed the paths use /lib/systemd instead of /usr/lib/systemd and that no other unexpected differences exist. - Confirmed that `make distcheck` still passes.
182 lines
8.2 KiB
XML
182 lines
8.2 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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<!ENTITY % entities SYSTEM "custom-entities.ent" >
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%entities;
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]>
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<!--
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This file is part of systemd.
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Copyright 2013 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-gpt-auto-generator">
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<refentryinfo>
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<title>systemd-gpt-auto-generator</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-gpt-auto-generator</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-gpt-auto-generator</refname>
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<refpurpose>Generator for automatically discovering
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and mounting root, <filename>/home</filename> and
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<filename>/srv</filename> partitions, as well as
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discovering and enabling swap partitions, based on GPT
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partition type GUIDs.</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>&rootlibexecdir;/system-generators/systemd-gpt-auto-generator</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-gpt-auto-generator</filename> is a unit
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generator that automatically discovers root,
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<filename>/home</filename>, <filename>/srv</filename> and swap
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partitions and creates mount and swap units for them, based on the
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partition type GUIDs of GUID partition tables (GPT). It implements
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the
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<ulink url="http://www.freedesktop.org/wiki/Specifications/DiscoverablePartitionsSpec/">Discoverable
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Partitions Specification</ulink>. Note that this generator has no
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effect on non-GPT systems, on systems where the units are
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explicitly configured (for example, listed in
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<citerefentry project='man-pages'><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>),
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or where the mount points are non-empty.</para>
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<para>This generator will only look for root partitions on the
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same physical disk the EFI System Partition (ESP) is located on.
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It will only look for the other partitions on the same physical
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disk the root file system is located on. These partitions will not
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be searched on systems where the root file system is distributed
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on multiple disks, for example via btrfs RAID.</para>
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<para><filename>systemd-gpt-auto-generator</filename> is useful
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for centralizing file system configuration in the partition table
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and making manual configuration in <filename>/etc/fstab</filename>
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or suchlike unnecessary.</para>
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<para>This generator looks for the partitions based on their
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partition type GUID. The following partition type GUIDs are
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identified:</para>
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<table>
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<title>Partition Type GUIDs</title>
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<tgroup cols='3' align='left' colsep='1' rowsep='1'>
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<colspec colname="guid" />
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<colspec colname="name" />
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<colspec colname="explanation" />
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<thead>
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<row>
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<entry>Partition Type GUID</entry>
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<entry>Name</entry>
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<entry>Explanation</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>44479540-f297-41b2-9af7-d131d5f0458a</entry>
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<entry><filename>Root Partition (x86)</filename></entry>
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<entry>On 32-bit x86 systems, the first x86 root partition on the disk the EFI ESP is located on is mounted to the root directory <filename>/</filename>.</entry>
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</row>
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<row>
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<entry>4f68bce3-e8cd-4db1-96e7-fbcaf984b709</entry>
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<entry><filename>Root Partition (x86-64)</filename></entry>
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<entry>On 64-bit x86 systems, the first x86-64 root partition on the disk the EFI ESP is located on is mounted to the root directory <filename>/</filename>.</entry>
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</row>
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<row>
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<entry>69dad710-2ce4-4e3c-b16c-21a1d49abed3</entry>
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<entry><filename>Root Partition (32-bit ARM)</filename></entry>
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<entry>On 32-bit ARM systems, the first ARM root partition on the disk the EFI ESP is located on is mounted to the root directory <filename>/</filename>.</entry>
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</row>
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<row>
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<entry>b921b045-1df0-41c3-af44-4c6f280d3fae</entry>
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<entry><filename>Root Partition (64-bit ARM)</filename></entry>
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<entry>On 64-bit ARM systems, the first ARM root partition on the disk the EFI ESP is located on is mounted to the root directory <filename>/</filename>.</entry>
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</row>
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<row>
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<entry>933ac7e1-2eb4-4f13-b844-0e14e2aef915</entry>
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<entry>Home Partition</entry>
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<entry>The first home partition on the disk the root partition is located on is mounted to <filename>/home</filename>.</entry>
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</row>
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<row>
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<entry>3b8f8425-20e0-4f3b-907f-1a25a76f98e8</entry>
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<entry>Server Data Partition</entry>
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<entry>The first server data partition on the disk the root partition is located on is mounted to <filename>/srv</filename>.</entry>
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</row>
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<row>
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<entry>0657fd6d-a4ab-43c4-84e5-0933c84b4f4f</entry>
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<entry>Swap</entry>
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<entry>All swap partitions located on the disk the root partition is located on are enabled.</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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<para>The <filename>/home</filename> and <filename>/srv</filename>
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partitions may be encrypted in LUKS format. In this case a device
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mapper device is set up under the names
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<filename>/dev/mapper/home</filename> and
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<filename>/dev/mapper/srv</filename>. Note that this might create
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conflicts if the same partition is listed in
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<filename>/etc/crypttab</filename> with a different device mapper
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device name.</para>
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<para>Also note that
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<citerefentry><refentrytitle>systemd-efi-boot-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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will mount the EFI System Partition (ESP) to
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<filename>/boot</filename> if not otherwise mounted.</para>
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<para>When using this generator in conjunction with btrfs file
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systems, make sure to set the correct default subvolumes on them,
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using <command>btrfs subvolume set-default</command>.</para>
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<para><filename>systemd-gpt-auto-generator</filename> implements
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<citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</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.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.swap</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-efi-boot-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-cryptsetup@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry project='die-net'><refentrytitle>cryptsetup</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry project='man-pages'><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry project='man-pages'><refentrytitle>btrfs</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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