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authorRay Strode <rstrode@redhat.com>2016-07-29 13:52:55 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2017-02-20 18:49:14 -0500
commit79d615d56c186475089bc617f6d6850d89687e38 (patch)
treea264e6ed494bf3b48e8a38aad0c53d61907fbe77 /man
parentf63c4aabb2f127ce4acdaec59e3f00e3579f8a75 (diff)
build-sys,man: load /etc/environment and describe the new environment.d syntax
Add support for /etc/environment and document the changes to the user manager to automatically import environment *.conf files from: ~/.config/environment.d/ /etc/environment.d/ /run/environment.d/ /usr/local/lib/environment.d/ /usr/lib/environment.d/ /etc/environment
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1 files changed, 111 insertions, 0 deletions
diff --git a/man/environment.d.xml b/man/environment.d.xml
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+<?xml version="1.0"?>
+<!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!--
+ This file is part of systemd.
+
+ Copyright 2016 Red Hat, Inc.
+ Copyright 2017 Zbigniew Jędrzejewski-Szmek
+
+ 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/>.
+-->
+<refentry id="environment.d" xmlns:xi="http://www.w3.org/2001/XInclude">
+
+ <refentryinfo>
+ <title>environment.d</title>
+ <productname>systemd</productname>
+
+ <authorgroup>
+ <author>
+ <contrib>Developer</contrib>
+ <firstname>Ray</firstname>
+ <surname>Strode</surname>
+ <email>rstrode@redhat.com</email>
+ </author>
+ </authorgroup>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>environment.d</refentrytitle>
+ <manvolnum>5</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>environment.d</refname>
+ <refpurpose>Definition of user session environment</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>~/.config/environment.d/*.conf</filename></para>
+ <para><filename>/etc/environment.d/*.conf</filename></para>
+ <para><filename>/run/environment.d/*.conf</filename></para>
+ <para><filename>/usr/lib/environment.d/*.conf</filename></para>
+ <para><filename>/etc/environment</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>The <filename>environment.d</filename> directories contain a list of "global" environment
+ variable assignments for the user environment.
+ <citerefentry><refentrytitle>systemd-environment-d-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ parses them and updates the environment exported by the systemd user instance to the services it
+ starts.</para>
+
+ <para>It is recommended to use numerical prefixes for file names to simplify ordering.</para>
+
+ <para>For backwards compatibility, a symlink to <filename>/etc/environment</filename> is
+ installed, so this file is also parsed.</para>
+ </refsect1>
+
+ <xi:include href="standard-conf.xml" xpointer="confd" />
+
+ <refsect1>
+ <title>Configuration Format</title>
+
+ <para>The configuration files contain a list of
+ <literal><replaceable>KEY</replaceable>=<replaceable>VALUE</replaceable></literal> environment
+ variable assignments, separated by newlines. The right hand side of these assignments may
+ reference previously defined environment variables, using the <literal>${OTHER_KEY}</literal>
+ format. No other elements of shell syntax are supported.
+ </para>
+
+ <refsect2>
+ <title>Example</title>
+ <example>
+ <title>Setup environment to allow access to a program installed in
+ <filename noindex='true'>/opt/foo</filename></title>
+
+ <para><filename>/etc/environment.d/60-foo.conf</filename>:
+ </para>
+ <programlisting>
+ FOO_DEBUG=force-software-gl,log-verbose
+ PATH=/opt/foo/bin:${PATH}
+ LD_LIBRARY_PATH=/opt/foo/lib
+ XDG_DATA_DIRS=/opt/foo/share:${XDG_DATA_DIRS}
+ </programlisting>
+ </example>
+ </refsect2>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-environment-d-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd.environment-generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>