From b095c06139fa267e6050e4c95208c627cc6251b8 Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Tue, 13 Feb 2018 18:28:27 -0500
Subject: Add splitVersion primop.

Fixes #1868.
---
 doc/manual/expressions/builtins.xml | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'doc/manual/expressions/builtins.xml')

diff --git a/doc/manual/expressions/builtins.xml b/doc/manual/expressions/builtins.xml
index 81770bcf6292..8a32ed8b5c99 100644
--- a/doc/manual/expressions/builtins.xml
+++ b/doc/manual/expressions/builtins.xml
@@ -126,6 +126,17 @@ if builtins ? getEnv then builtins.getEnv "PATH" else ""</programlisting>
   </varlistentry>
 
 
+  <varlistentry><term><function>builtins.splitVersion</function>
+  <replaceable>s</replaceable></term>
+
+    <listitem><para>Split a string representing a version into its
+    components, by the same version splitting logic underlying the
+    version comparison in <link linkend="ssec-version-comparisons">
+    <command>nix-env -u</command></link>.</para></listitem>
+
+  </varlistentry>
+
+
   <varlistentry><term><function>builtins.concatLists</function>
   <replaceable>lists</replaceable></term>
 
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cgit 1.4.1