builder: advise cloning repo before using its contents

Signed-off-by: Yann Dirson <[email protected]>

Author: ydirson

developer/building/qubes-builder-v2.rst

@@ -18,7 +18,14 @@ This is a simple setup using a docker executor. This is a good default choice; i
 
 1. First, decide what qube you are going to use when working with Qubes Builder v2. It can be an AppVM or a Standalone qube, with some steps different between the two.
 
-2. Installing dependencies
+2. Clone the qubes-builder v2 repository into a location of your choice:
+
+   .. code:: console
+
+         $ git clone https://github.com/QubesOS/qubes-builderv2
+         $ cd qubes-builderv2/
+
+3. Installing dependencies
 
    If you want to use an app qube for developing, install dependencies in the template. If you are using a standalone, install them in the qube itself. Dependencies are specified in ``dependencies-*. txt`` files in the main builder directory, and you can install them easily in the following ways:
 
@@ -38,13 +45,6 @@ This is a simple setup using a docker executor. This is a good default choice; i
 
    If you have installed dependencies in the template, close it, and (re)start the development qube.
 
-3. Clone the qubes-builder v2 repository into a location of your choice:
-
-   .. code:: console
-
-         $ git clone https://github.com/QubesOS/qubes-builderv2
-         $ cd qubes-builderv2/
-
 4. If you haven’t previously used docker in the current qube, you need to set up some permissions. In particular, the user has to be added to the ``docker`` group:
 
    .. code:: console