[gnome-continuous-yocto/gnomeostree-3.28-rocko: 1014/8267] ref-manual: Added note about installing Git-Python package

[Emmanuele Bassi <ebassi src gnome org>]

commit 52fc5679887682b69ef883d2694c407fcec77977
Author: Scott Rifenbark <srifenbark gmail com>
Date:   Wed Jun 8 08:53:44 2016 -0700

    ref-manual: Added note about installing Git-Python package
    
    buildhistory-diff tool requires the Git-python package.
    I added a note indicating this.
    
    Fixes [YOCTO #9712]
    
    (From yocto-docs rev: 2187df01f784b40608b30f62d19888cf183e67e9)
    
    Signed-off-by: Scott Rifenbark <srifenbark gmail com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 documentation/ref-manual/usingpoky.xml |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/documentation/ref-manual/usingpoky.xml b/documentation/ref-manual/usingpoky.xml
index a7bf32d..89b3437 100644
--- a/documentation/ref-manual/usingpoky.xml
+++ b/documentation/ref-manual/usingpoky.xml
@@ -951,6 +951,19 @@
         * PR changed from "r0" to "r1"
         * PV changed from "0.1.10" to "0.1.12"
                 </literallayout>
+                <note>
+                    The <filename>buildhistory-diff</filename> tool requires
+                    the <filename>GitPython</filename> package.
+                    Be sure to install it using Pip3 as follows:
+                    <literallayout class='monospaced'>
+   $ pip3 install GitPython --user
+                    </literallayout>
+                    Alternatively, you can install
+                    <filename>python3-3</filename> using the appropriate
+                    distribution package manager (e.g.
+                    <filename>apt-get</filename>, <filename>dnf</filename>, or
+                    <filename>zipper</filename>).
+                </note>
             </para>
 
             <para>