Merge pull request #133624 from talyz/discourse-backports

[21.05] discourse: 2.7.5 -> 2.7.7, plugins and fixes

nixos/modules/services/web-apps/discourse.nix

@@ -771,7 +771,6 @@ in
           "tmp"
           "assets/javascripts/plugins"
           "public"
-          "plugins"
           "sockets"
         ];
         RuntimeDirectoryMode = 0750;

nixos/modules/services/web-apps/discourse.xml

@@ -284,11 +284,22 @@ services.discourse = {
       Ruby dependencies are listed in its
       <filename>plugin.rb</filename> file as function calls to
       <literal>gem</literal>. To construct the corresponding
-      <filename>Gemfile</filename>, run <command>bundle
+      <filename>Gemfile</filename> manually, run <command>bundle
       init</command>, then add the <literal>gem</literal> lines to it
       verbatim.
     </para>
 
+    <para>
+      Much of the packaging can be done automatically by the
+      <filename>nixpkgs/pkgs/servers/web-apps/discourse/update.py</filename>
+      script - just add the plugin to the <literal>plugins</literal>
+      list in the <function>update_plugins</function> function and run
+      the script:
+      <programlisting language="bash">
+./update.py update-plugins
+</programlisting>.
+    </para>
+
     <para>
       Some plugins provide <link
       linkend="module-services-discourse-site-settings">site