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-rw-r--r--man/systemctl.xml62
1 files changed, 44 insertions, 18 deletions
diff --git a/man/systemctl.xml b/man/systemctl.xml
index 033160329e..4a7abab8a4 100644
--- a/man/systemctl.xml
+++ b/man/systemctl.xml
@@ -151,9 +151,12 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
<listitem>
<para>Show reverse dependencies between units with
- <command>list-dependencies</command>, i.e. units with
- dependencies of type <varname>Wants=</varname> or
- <varname>Requires=</varname> on the given unit.
+ <command>list-dependencies</command>, i.e. follow
+ dependencies of type <varname>WantedBy=</varname>,
+ <varname>RequiredBy=</varname>,
+ <varname>RequiredByOverrridable=</varname>,
+ <varname>PartOf=</varname>, <varname>BoundBy=</varname>,
+ instead of <varname>Wants=</varname> and similar.
</para>
</listitem>
</varlistentry>
@@ -164,10 +167,20 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
<listitem>
<para>With <command>list-dependencies</command>, show the
units that are ordered before the specified unit. In other
- words, list the units that are in the <varname>After=</varname>
- directive of the specified unit, have the specified unit in
- their <varname>Before=</varname> directive, or are otherwise
- implicit dependencies of the specified unit.</para>
+ words, recursively list units following the
+ <varname>After=</varname> dependency.</para>
+
+ <para>Note that any <varname>After=</varname> dependency is
+ automatically mirrored to create a
+ <varname>Before=</varname> dependency. Temporal dependencies
+ may be specified explictly, but are also created implicitly
+ for units which are <varname>WantedBy=</varname> targets
+ (see
+ <citerefentry><refentrytitle>systemd.target</refentrytitle><manvolnum>5</manvolnum></citerefentry>),
+ and as a result of other directives (for example
+ <varname>RequiresMountsFor=</varname>). Both explicitly
+ and implicitly introduced dependencies are shown with
+ <command>list-dependencies</command>.</para>
</listitem>
</varlistentry>
@@ -177,10 +190,8 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
<listitem>
<para>With <command>list-dependencies</command>, show the
units that are ordered after the specified unit. In other
- words, list the units that are in the <varname>Before=</varname>
- directive of the specified unit, have the specified unit in
- their <varname>After=</varname> directive, or otherwise depend
- on the specified unit.</para>
+ words, recursively list units following the
+ <varname>Before=</varname> dependency.</para>
</listitem>
</varlistentry>
@@ -848,15 +859,30 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service
</varlistentry>
<varlistentry>
- <term><command>list-dependencies <replaceable>NAME</replaceable></command></term>
+ <term>
+ <command>list-dependencies</command>
+ <optional><replaceable>NAME</replaceable></optional>
+ </term>
<listitem>
- <para>Shows required and wanted units of the specified
- unit. If no unit is specified,
- <filename>default.target</filename> is implied. Target units
- are recursively expanded. When <option>--all</option> is
- passed, all other units are recursively expanded as
- well.</para>
+ <para>Shows units required and wanted by the specified
+ unit. This recursively lists units following the
+ <varname>Requires=</varname>,
+ <varname>RequiresOverridable=</varname>,
+ <varname>Requisite=</varname>,
+ <varname>RequisiteOverridable=</varname>,
+ <varname>Wants=</varname>, <varname>BindsTo=</varname>
+ dependencies. If no unit is specified,
+ <filename>default.target</filename> is implied.</para>
+
+ <para>By default, only target units are recursively
+ expanded. When <option>--all</option> is passed, all other
+ units are recursively expanded as well.</para>
+
+ <para>Options <option>--reverse</option>,
+ <option>--after</option>, <option>--before</option>
+ may be used to change what types of dependencies
+ are shown.</para>
</listitem>
</varlistentry>
</variablelist>