Generating the docs changelog on conf.py

That way it works as expected on readthedocs too

Fixes lago-project#234

Change-Id: I4b85dfee9a9e74c390caab2b7a6c9097d310943a
Signed-off-by: David Caro <[email protected]>

Author: david-caro

Makefile

@@ -104,7 +104,6 @@ clean:
 	rm -f ${SPECFILE}
 	rm -f AUTHORS
 
-docs: changelog
+docs:
 	$(MAKE) -C docs clean
 	$(MAKE) -C docs html
-	mv ChangeLog docs/_static/ChangeLog.txt

docs/conf.py

@@ -13,6 +13,7 @@
 # serve to show the default.
 
 import os
+import shutil
 import sys
 import subprocess
 # If extensions (or modules to document with autodoc) are in another directory,
@@ -39,6 +40,8 @@
         os.path.dirname(__file__), '../lago_template_repo'
     ]
 )
+subprocess.call(['make', '--directory=..', 'changelog', ])
+shutil.move('../ChangeLog', '_static/ChangeLog.txt')
 
 # Mock all the modules that are included by lago, so autoimport works as
 # expected with no need to download them (some are not in pip even)