From 9c6328a7bfae5aa378ffc79ee271df633372c22b Mon Sep 17 00:00:00 2001
From: Charles Strahan <charles.c.strahan@gmail.com>
Date: Mon, 27 Apr 2015 00:59:31 -0400
Subject: nix-env: document --set option

---
 doc/manual/command-ref/nix-env.xml | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'doc/manual')

diff --git a/doc/manual/command-ref/nix-env.xml b/doc/manual/command-ref/nix-env.xml
index d37f4bcc1418..45a99b27d7bd 100644
--- a/doc/manual/command-ref/nix-env.xml
+++ b/doc/manual/command-ref/nix-env.xml
@@ -701,6 +701,44 @@ $ nix-env -e '.*' <lineannotation>(remove everything)</lineannotation></screen>
 
 
 
+<!--######################################################################-->
+
+<refsection xml:id="rsec-nix-env-set"><title>Operation <option>--set</option></title>
+
+<refsection><title>Synopsis</title>
+
+<cmdsynopsis>
+  <command>nix-env</command>
+  <arg choice='plain'><option>--set</option></arg>
+  <arg choice='plain'><replaceable>drvname</replaceable></arg>
+</cmdsynopsis>
+</refsection>
+
+<refsection><title>Description</title>
+
+<para>The <option>--set</option> operation modifies the current generation of a
+profile so that it contains exactly the specified derivation, and nothing else.
+</para>
+
+</refsection>
+
+<refsection><title>Examples</title>
+
+<para>
+The following updates a profile such that its current generation will contain
+just Firefox:
+
+<screen>
+$ nix-env -p /nix/var/nix/profiles/browser --set firefox</screen>
+
+</para>
+
+</refsection>
+
+</refsection>
+
+
+
 <!--######################################################################-->
 
 <refsection xml:id="rsec-nix-env-set-flag"><title>Operation <option>--set-flag</option></title>
-- 
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