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.
179 lines
6.1 KiB
XML
179 lines
6.1 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"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-escape"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>systemd-escape</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-escape</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-escape</refname>
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<refpurpose>Escape strings for usage in system unit names</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>systemd-escape</command>
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<arg choice="opt" rep="repeat">OPTIONS</arg>
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<arg choice="opt" rep="repeat">STRING</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><command>systemd-escape</command> may be used to escape
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strings for inclusion in systemd unit names. The command may be
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used to escape and to undo escaping of strings.</para>
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<para>The command takes any number of strings on the command line,
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and will process them individually, one after the other. It will
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output them separated by spaces to stdout.</para>
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<para>By default this command will escape the strings passed,
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unless <option>--unescape</option> is passed which results in the
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inverse operation being applied. If <option>--mangle</option> a
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special mode of escaping is applied instead, which assumes a
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string to be already escaped but will escape everything that
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appears obviously non-escaped.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>The following options are understood:</para>
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<variablelist>
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<varlistentry>
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<term><option>--suffix=</option></term>
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<listitem><para>Appends the specified unit type suffix to the
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escaped string. Takes one of the unit types supported by
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systemd, such as <literal>.service</literal> or
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<literal>.mount</literal>. May not be used in conjunction with
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<option>--template=</option>, <option>--unescape</option> or
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<option>--mangle</option>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--template=</option></term>
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<listitem><para>Inserts the escaped strings in a unit name
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template. Takes a unit name template such as
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<filename>foobar@.service</filename> May not be used in
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conjunction with <option>--suffix=</option>,
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<option>--unescape</option> or
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<option>--mangle</option>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--path</option></term>
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<term><option>-p</option></term>
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<listitem><para>When escaping or unescaping a string, assume
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it refers to a file system path. This enables special
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processing of the initial <literal>/</literal> of the
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path.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--unescape</option></term>
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<listitem><para>Instead of escaping the specified strings,
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undo the escaping, reversing the operation. May not be used in
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conjunction with <option>--suffix=</option>,
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<option>--template=</option> or
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<option>--mangle</option>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--mangle</option></term>
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<listitem><para>Like <option>--escape</option>, but only
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escape characters that are obviously not escaped yet, and
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possibly automatically append an appropriate unit type suffix
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to the string. May not be used in conjunction with
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<option>--suffix=</option>, <option>--template=</option> or
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<option>--unescape</option>.</para></listitem>
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</varlistentry>
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<xi:include href="standard-options.xml" xpointer="help" />
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<xi:include href="standard-options.xml" xpointer="version" />
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<para>Escape a single string:</para>
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<programlisting>$ systemd-escape 'Hallöchen, Meister'
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Hall\xc3\xb6chen\x2c\x20Meister</programlisting>
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<para>To undo escaping on a single string:</para>
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<programlisting>$ systemd-escape -u 'Hall\xc3\xb6chen\x2c\x20Meister'
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Hallöchen, Meister</programlisting>
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<para>To generate the mount unit for a path:</para>
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<programlisting>$ systemd-escape -p --suffix=mount "/tmp//waldi/foobar/"
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tmp-waldi-foobar.mount</programlisting>
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<para>To generate instance names of three strings</para>
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<programlisting>$ systemd-escape --template=systemd-nspawn@.service 'My Container 1' 'containerb' 'container/III'
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systemd-nspawn@My\x20Container\x201.service systemd-nspawn@containerb.service systemd-nspawn@container-III.service</programlisting>
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</refsect1>
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<refsect1>
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<title>Exit status</title>
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<para>On success, 0 is returned, a non-zero failure code
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otherwise.</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>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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