<?xml version='1.0'?> <!--*-nxml-*-->
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
-
-<!--
- SPDX-License-Identifier: LGPL-2.1+
-
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
--->
+<!-- SPDX-License-Identifier: LGPL-2.1+ -->
<refentry id="systemd-tmpfiles"
xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>systemd-tmpfiles</title>
<productname>systemd</productname>
-
- <authorgroup>
- <author>
- <contrib>Developer</contrib>
- <firstname>Lennart</firstname>
- <surname>Poettering</surname>
- <email>lennart@poettering.net</email>
- </author>
- </authorgroup>
</refentryinfo>
<refmeta>
</para>
<para>If invoked with no arguments, it applies all directives from all configuration
- files. If one or more absolute filenames are passed on the command line, only the
- directives in these files are applied. If <literal>-</literal> is specified instead
- of a filename, directives are read from standard input. If only the basename of a
- configuration file is specified, all configuration directories as specified in
+ files. When invoked with <option>--replace=<replaceable>PATH</replaceable></option>,
+ arguments specified on the command line are used instead of the configuration file
+ <replaceable>PATH</replaceable>. Otherwise, if one or more absolute filenames are
+ passed on the command line, only the directives in these files are applied. If
+ <literal>-</literal> is specified instead of a filename, directives are read from
+ standard input. If only the basename of a configuration file is specified, all
+ configuration directories as specified in
<citerefentry><refentrytitle>tmpfiles.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- are searched for a matching file.</para>
+ are searched for a matching file and the file found that has the highest priority is
+ executed.</para>
</refsect1>
<refsect1>
consulted.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>--replace=<replaceable>PATH</replaceable></option></term>
+ <listitem><para>When this option is given, one ore more positional arguments
+ must be specified. All configuration files found in the directories listed in
+ <citerefentry><refentrytitle>tmpfiles.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ will be read, and the configuration given on the command line will be
+ handled instead of and with the same priority as the configuration file
+ <replaceable>PATH</replaceable>.</para>
+
+ <para>This option is intended to be used when package installation scripts
+ are running and files belonging to that package are not yet available on
+ disk, so their contents must be given on the command line, but the admin
+ configuration might already exist and should be given higher priority.
+ </para></listitem>
+ </varlistentry>
+
+ <xi:include href="standard-options.xml" xpointer="cat-config" />
+ <xi:include href="standard-options.xml" xpointer="no-pager" />
<xi:include href="standard-options.xml" xpointer="help" />
<xi:include href="standard-options.xml" xpointer="version" />
</variablelist>
- <para>It is possible to combine <option>--create</option>,
- <option>--clean</option>, and <option>--remove</option> in one
- invocation. For example, during boot the following command line is
- executed to ensure that all temporary and volatile directories are
+ <para>It is possible to combine <option>--create</option>, <option>--clean</option>, and <option>--remove</option>
+ in one invocation (in which case removal and clean-up are executed before creation of new files). For example,
+ during boot the following command line is executed to ensure that all temporary and volatile directories are
removed and created according to the configuration file:</para>
<programlisting>systemd-tmpfiles --remove --create</programlisting>
-
</refsect1>
<refsect1>
<para><command>systemd-tmpfiles</command> tries to avoid changing
the access and modification times on the directories it accesses,
- which requires <constant>CAP_ADMIN</constant> privileges. When
+ which requires <constant>CAP_FOWNER</constant> privileges. When
running as non-root, directories which are checked for files to
clean up will have their access time bumped, which might prevent
their cleanup.
<refsect1>
<title>Exit status</title>
- <para>On success, 0 is returned. If the configuration was invalid (invalid syntax, missing
- arguments, …), so some lines had to be ignored, but no other errors occurred,
+ <para>On success, 0 is returned. If the configuration was syntactically invalid (syntax errors,
+ missing arguments, …), so some lines had to be ignored, but no other errors occurred,
<constant>65</constant> is returned (<constant>EX_DATAERR</constant> from
- <filename>/usr/include/sysexits.h</filename>). Otherwise, <constant>1</constant> is returned
- (<constant>EXIT_FAILURE</constant> from <filename>/usr/include/stdlib.h</filename>).
+ <filename>/usr/include/sysexits.h</filename>). If the configuration was syntactically valid, but
+ could not be executed (lack of permissions, creation of files in missing directories, invalid
+ contents when writing to <filename>/sys/</filename> values, …), <constant>73</constant> is
+ returned (<constant>EX_CANTCREAT</constant> from <filename>/usr/include/sysexits.h</filename>).
+ Otherwise, <constant>1</constant> is returned (<constant>EXIT_FAILURE</constant> from
+ <filename>/usr/include/stdlib.h</filename>).
</para>
</refsect1>
projects / thirdparty / systemd.git / blobdiff