From b1abc2c8d6aa3cb5811e18ef14a587f7d4ceb1c2 Mon Sep 17 00:00:00 2001
From: Eric Sagnes <eric.sagnes@gmail.com>
Date: Sat, 6 Aug 2016 09:05:23 +0900
Subject: [PATCH] nixpkgs-doc: add patches to coding conventions

---
 doc/coding-conventions.xml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/doc/coding-conventions.xml b/doc/coding-conventions.xml
index 8105611f2bac..4348dc8bf720 100644
--- a/doc/coding-conventions.xml
+++ b/doc/coding-conventions.xml
@@ -659,4 +659,22 @@ src = fetchFromGitHub {
     </itemizedlist>
   </para>
 </section>
+
+<section xml:id="sec-patches"><title>Patches</title>
+  <para>Only patches that are unique to <literal>nixpkgs</literal> should be 
+    included in <literal>nixpkgs</literal> source.</para>
+  <para>Patches available online should be retrieved using 
+    <literal>fetchpatch</literal>.</para>
+  <para>
+<programlisting>
+patches = [
+  (fetchpatch {
+    name = "fix-check-for-using-shared-freetype-lib.patch";
+    url = "http://git.ghostscript.com/?p=ghostpdl.git;a=patch;h=8f5d285";
+    sha256 = "1f0k043rng7f0rfl9hhb89qzvvksqmkrikmm38p61yfx51l325xr";
+  })
+];
+</programlisting>
+  </para>
+</section>
 </chapter>