From 446649e5403f9c41601eee6438eaeed5212b9190 Mon Sep 17 00:00:00 2001
From: Shao Cheng <astrohavoc@gmail.com>
Date: Sat, 9 May 2020 15:59:39 +0200
Subject: [PATCH] Update "Upgrading Nix" documentation

This PR proposes two changes to the "Upgrading Nix" documentation:

* Besides updating `nixpkgs.nix`, we also update `nixpkgs.cacert`, so that the certificates are up-to-date as well.
* Add the instructions for multi-user mode on Linux.
---
 doc/manual/installation/upgrading.xml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/doc/manual/installation/upgrading.xml b/doc/manual/installation/upgrading.xml
index 30670d7fe..592f63895 100644
--- a/doc/manual/installation/upgrading.xml
+++ b/doc/manual/installation/upgrading.xml
@@ -17,6 +17,11 @@
 
   <para>
     Single-user installations of Nix should run this:
-    <command>nix-channel --update; nix-env -iA nixpkgs.nix</command>
+    <command>nix-channel --update; nix-env -iA nixpkgs.nix nixpkgs.cacert</command>
+  </para>
+      
+  <para>
+    Multi-user Nix users on Linux should run this with sudo:
+    <command>nix-channel --update; nix-env -iA nixpkgs.nix nixpkgs.cacert; systemctl daemon-reload; systemctl restart nix-daemon</command>
   </para>
 </chapter>