chiark / gitweb /
tmpfiles: add new "C" line for copying files or directories
[elogind.git] / man / tmpfiles.d.xml
index 0a006d17abcdef60bd2fd7b94988b05f22cdbd53..20ed803a527653565f0c15dfdc02641d4f76c5df 100644 (file)
                 temporary files and directories which usually reside
                 in directories such as <filename>/run</filename>
                 or <filename>/tmp</filename>.</para>
+
+                <para>Volatile and temporary files and directories are
+                those located in <filename>/run</filename> (and its
+                alias <filename>/var/run</filename>),
+                <filename>/tmp</filename>,
+                <filename>/var/tmp</filename>, the API file systems
+                such as <filename>/sys</filename> or
+                <filename>/proc</filename>, as well as some other
+                directories below <filename>/var</filename>.</para>
+
+                <para>System daemons frequently require private
+                runtime directories below <filename>/run</filename> to
+                place communication sockets and similar in. For these,
+                consider declaring them in their unit files using
+                <varname>RuntimeDirectory=</varname>
+                (see <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry> for details),
+                if this is feasible.</para>
         </refsect1>
 
         <refsect1>
@@ -166,6 +183,11 @@ L    /tmp/foobar -    -    -    -   /dev/null</programlisting>
                                         <listitem><para>Create a block device node if it does not exist yet.</para></listitem>
                                 </varlistentry>
 
+                                <varlistentry>
+                                        <term><varname>C</varname></term>
+                                        <listitem><para>Recursively copy a file or directory, if the destination files or directories don't exist yet.</para></listitem>
+                                </varlistentry>
+
                                 <varlistentry>
                                         <term><varname>m</varname></term>
                                         <listitem><para>If the
@@ -429,8 +451,10 @@ r! /tmp/.X[0-9]*-lock</programlisting>
                         <varname>f</varname>, <varname>F</varname>,
                         and <varname>w</varname> may be used to
                         specify a short string that is written to the
-                        file, suffixed by a newline. Ignored for all
-                        other lines.</para>
+                        file, suffixed by a newline. For
+                        <varname>C</varname> specifies the source file
+                        or directory. Ignored for all other
+                        lines.</para>
                 </refsect2>
 
         </refsect1>
@@ -458,7 +482,8 @@ x /var/tmp/abrt/*</programlisting>
                 <para>
                         <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
-                        <citerefentry><refentrytitle>systemd-delta</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+                        <citerefentry><refentrytitle>systemd-delta</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                 </para>
         </refsect1>