svn commit: r51347 - head/en_US.ISO8859-1/books/porters-handbook/special

Author: adamw (ports committer)
Date: Sat Dec 30 20:49:24 2017
New Revision: 51347
URL: https://svnweb.freebsd.org/changeset/doc/51347

Log:
  Add a section on shell completion files. Basically, always install them,
  and never register RUN_DEPENDS on the shells themselves.
  
  Approved by:	mat (doc hat)
  Differential Revision:	https://reviews.freebsd.org/D13696

Modified:
  head/en_US.ISO8859-1/books/porters-handbook/special/chapter.xml

Modified: head/en_US.ISO8859-1/books/porters-handbook/special/chapter.xml
==============================================================================
--- head/en_US.ISO8859-1/books/porters-handbook/special/chapter.xml	Fri Dec 29 16:37:22 2017	(r51346)
+++ head/en_US.ISO8859-1/books/porters-handbook/special/chapter.xml	Sat Dec 30 20:49:24 2017	(r51347)
@@ -5523,4 +5523,41 @@ GROUPS=	pulse pulse-access pulse-rt</programlisting>
       </listitem>
     </itemizedlist>
   </sect1>
+
+  <sect1 xml:id="shell-completion">
+    <title>Shell Completion Files</title>
+
+    <para>Many modern shells (including bash, tcsh, and zsh) support
+      parameter and/or option tab-completion.  This support usually
+      comes from completion files, which contain the definitions for
+      how tab completion will work for a certain command.  Ports
+      sometimes ship with their own completion files, or porters may
+      have created them themselves.</para>
+
+    <para>When available, completion files should always be
+      installed.  It is not necessary to make an option for it.
+      If an option is used, though, always enable it in
+      <varname>OPTIONS_DEFAULT</varname>.</para>
+
+    <table frame="none" xml:id="shell-completion-paths">
+      <title>Shell completion file paths</title>
+
+      <tgroup cols="2">
+	<tbody>
+	  <row>
+	    <entry><command>bash</command></entry>
+	    <entry><filename>${PREFIX}/etc/bash_completion.d</filename></entry>
+	  </row>
+
+	  <row>
+	    <entry><command>zsh</command></entry>
+	    <entry><filename>${PREFIX}/share/zsh/site-functions</filename></entry>
+	  </row>
+	</tbody>
+      </tgroup>
+    </table>
+
+    <para>Do not register any dependencies on the shells
+      themselves.</para>
+  </sect1>
 </chapter>
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