From 757acae2fabfec21c6e51e8959a195547aa92c5d Mon Sep 17 00:00:00 2001
From: Adam Schmideg <adam@schmideg.net>
Date: Wed, 20 Feb 2019 09:46:22 +0100
Subject: [PATCH] sort sidebar groups

---
 _config.yml           | 10 +++++-----
 _layouts/sidebar.html |  5 +++--
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/_config.yml b/_config.yml
index 3d8515842f..27791b864c 100644
--- a/_config.yml
+++ b/_config.yml
@@ -19,20 +19,20 @@ collections:
   install-and-build:
     output: true
     caption: Install and build
-    sidebar: true
+    sidebar_index: 1
   how-to:
     output: true
     caption: How to use
-    sidebar: true
+    sidebar_index: 2
   interface:
     output: true
     caption: Interface documentation
-    sidebar: true
+    sidebar_index: 3
   support:
     output: true
     caption: Issues and support
-    sidebar: true
+    sidebar_index: 4
   developers:
     output: true
     caption: Developers
-    sidebar: true
+    sidebar_index: 5
diff --git a/_layouts/sidebar.html b/_layouts/sidebar.html
index 072703079f..e0291eda83 100644
--- a/_layouts/sidebar.html
+++ b/_layouts/sidebar.html
@@ -4,8 +4,9 @@ layout: default
 <div class="container" style="padding-top: 24px;">
     <div class="row">
           <div class="col-md-3" id="toc" style="padding-top: 16px;">
-            {% for coll in site.collections %}
-                {% if coll.sidebar %}
+            {% assign collections = site.collections | sort: "sidebar_index" %}
+            {% for coll in collections %}
+                {% if coll.sidebar_index %}
                     <div class="list-group">
                         <a class="list-group-item active">{{ coll.caption }}</a>
                         {% for doc in coll.docs %}