svn commit: r40020 - projects/pkgng/en_US.ISO8859-1/books/handbook/ports

[Glen Barber]

Author: gjb
Date: Fri Nov 16 00:04:06 2012
New Revision: 40020
URL: http://svnweb.freebsd.org/changeset/doc/40020

Log:
  Document pkg-audit.
  
  Based on notes from:	wblock, swills

Modified:
  projects/pkgng/en_US.ISO8859-1/books/handbook/ports/chapter.xml

Modified: projects/pkgng/en_US.ISO8859-1/books/handbook/ports/chapter.xml
==============================================================================
--- projects/pkgng/en_US.ISO8859-1/books/handbook/ports/chapter.xml	Fri Nov 16 00:04:04 2012	(r40019)
+++ projects/pkgng/en_US.ISO8859-1/books/handbook/ports/chapter.xml	Fri Nov 16 00:04:06 2012	(r40020)
@@ -898,6 +898,32 @@ Upgrading curl from 7.24.0 to 7.24.0_1..
 	</sect3>
     </sect2>
 
+    <sect2 id="pkgng-advanced-usage">
+      <title>Advanced <application>pkgng</application>
+	Operations</title>
+
+      <sect3 id="pkgng-autoremove">
+	<title>Automatically Removing Leaf Dependencies with
+	  <application>pkgng</application></title>
+
+	<para>Removing a package may leave behind unnecessary
+	  dependencies, like <filename
+	    role="package">ca_root_nss</filename> in the example
+	  above.  Those packages are still installed, but nothing
+	  depends on them any more.  Unneeded packages that were
+	  installed as dependencies can be automatically detected and
+	  removed:</para>
+
+	<screen>&prompt.root; <userinput>pkg autoremove</userinput>
+Packages to be autoremoved:
+	ca_root_nss-3.13.5
+
+The autoremoval will free 723 kB
+
+Proceed with autoremoval of packages [y/N]: <userinput>y</userinput>
+Deinstalling ca_root_nss-3.13.5... done</screen>
+      </sect3>
+    </sect2>
   </sect1><!-- PKGNG -->
 
   <sect1 id="ports-using">