man/systemd-delta.xml

   1 <?xml version='1.0'?> <!--*-nxml-*-->
   2 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
   3         "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
   4
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   6   This file is part of systemd.
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   8   Copyright 2012 Lennart Poettering
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  23
  24 <refentry id="systemd-delta">
  25
  26         <refentryinfo>
  27                 <title>systemd-delta</title>
  28                 <productname>systemd</productname>
  29
  30                 <authorgroup>
  31                         <author>
  32                                 <contrib>Developer</contrib>
  33                                 <firstname>Lennart</firstname>
  34                                 <surname>Poettering</surname>
  35                                 <email>lennart@poettering.net</email>
  36                         </author>
  37                 </authorgroup>
  38         </refentryinfo>
  39
  40         <refmeta>
  41                 <refentrytitle>systemd-delta</refentrytitle>
  42                 <manvolnum>1</manvolnum>
  43         </refmeta>
  44
  45         <refnamediv>
  46                 <refname>systemd-delta</refname>
  47                 <refpurpose>Find overridden configuration files</refpurpose>
  48         </refnamediv>
  49
  50         <refsynopsisdiv>
  51                 <cmdsynopsis>
  52                         <command>systemd-delta <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="opt" rep="repeat">SUFFIX</arg></command>
  53                 </cmdsynopsis>
  54         </refsynopsisdiv>
  55
  56         <refsect1>
  57                 <title>Description</title>
  58
  59                 <para><command>systemd-delta</command> may be used to
  60                 identify and compare configuration files in
  61                 <filename>/etc</filename> that override default
  62                 counterparts in <filename>/usr</filename>. The command
  63                 line argument can be one or more name of a subdirectories of
  64                 <filename>/etc</filename> or
  65                 <filename>/usr/lib</filename> to compare, such as
  66                 <filename>tmpfiles.d</filename>, <filename>sysctl.d</filename> or
  67                 <filename>systemd/system</filename>.</para>
  68
  69                 <para>When no argument is specified a number of
  70                 well-known subdirectories are searched for overridden
  71                 files.</para>
  72         </refsect1>
  73
  74         <refsect1>
  75                 <title>Options</title>
  76
  77                 <para>The following options are understood:</para>
  78
  79                 <variablelist>
  80                         <varlistentry>
  81                                 <term><option>-h</option></term>
  82                                 <term><option>--help</option></term>
  83
  84                                 <listitem><para>Prints a short help
  85                                 text and exits.</para></listitem>
  86                         </varlistentry>
  87
  88                         <varlistentry>
  89                                 <term><option>--version</option></term>
  90
  91                                 <listitem><para>Prints a short version
  92                                 string and exits.</para></listitem>
  93                         </varlistentry>
  94
  95                         <varlistentry>
  96                                 <term><option>--no-pager</option></term>
  97
  98                                 <listitem><para>Do not pipe output into a
  99                                 pager.</para></listitem>
 100                         </varlistentry>
 101
 102                         <varlistentry>
 103                                 <term><option>--type=</option></term>
 104                                 <term><option>-t</option></term>
 105
 106                                 <listitem><para>When listing the
 107                                 differences, only list those that are
 108                                 asked for. The list itself is a
 109                                 comma-separated list of desired
 110                                 difference types.</para>
 111
 112                                 <para>Recognized types are:
 113
 114                                         <variablelist>
 115                                                 <varlistentry>
 116                                                         <term><varname>masked</varname></term>
 117
 118                                                         <listitem><para>Show masked files</para></listitem>
 119                                                 </varlistentry>
 120
 121                                                 <varlistentry>
 122                                                         <term><varname>equivalent</varname></term>
 123
 124                                                         <listitem><para>Show overridden
 125                                                         files that while overridden, do
 126                                                         not differ in content.</para></listitem>
 127                                                 </varlistentry>
 128
 129                                                 <varlistentry>
 130                                                         <term><varname>redirected</varname></term>
 131
 132                                                         <listitem><para>Show files that
 133                                                         are redirected to another.</para></listitem>
 134                                                 </varlistentry>
 135
 136                                                 <varlistentry>
 137                                                         <term><varname>overridden</varname></term>
 138
 139                                                         <listitem><para>Show overridden,
 140                                                         and changed files.</para></listitem>
 141                                                 </varlistentry>
 142
 143                                                 <varlistentry>
 144                                                         <term><varname>unchanged</varname></term>
 145
 146                                                         <listitem><para>Show unmodified
 147                                                         files too.</para></listitem>
 148                                                 </varlistentry>
 149                                         </variablelist>
 150                                 </para></listitem>
 151                         </varlistentry>
 152
 153                         <varlistentry>
 154                                 <term><option>--diff=</option></term>
 155
 156                                 <listitem><para>When showing modified
 157                                 files, when a file is overridden show a
 158                                 diff as well. This option takes a
 159                                 boolean argument. If omitted it defaults
 160                                 to <option>true</option>.</para></listitem>
 161                         </varlistentry>
 162
 163                 </variablelist>
 164
 165         </refsect1>
 166
 167         <refsect1>
 168                 <title>Exit status</title>
 169
 170                 <para>On success 0 is returned, a non-zero failure
 171                 code otherwise.</para>
 172         </refsect1>
 173
 174         <refsect1>
 175                 <title>See Also</title>
 176                 <para>
 177                         <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
 178                 </para>
 179         </refsect1>
 180
 181 </refentry>