Merge branch 'dont_check_git_when_datasets_option' into 'master'

Don't check for Git context when --datasets option is passed to the script

See merge request !2

download.py

@@ -107,7 +107,8 @@ def main():
     table_of_contents_file_name = 'table_of_contents.xml'
 
     old_toc_element = None
-    if not args.full:
+    if not (args.full or args.datasets):
+        # let's check that we can access to Git history (to compare table_of_contents.xml versions)
         try:
             repo = Repo(str(args.target_dir))
         except NotGitRepository: