use git clean to remove cruft (.pyc etc) after checkout

playbooks/roles/edxapp/tasks/deploy.yml

@@ -24,6 +24,14 @@
   - install
   - deploy
 
+- name: git clean after checking out edx-platform
+  shell: cd {{edx_platform_code_dir}} && git clean -xdf
+  tags:
+  - lms
+  - cms
+  - install
+  - deploy
+
 # Do Post Checkout Tasks.
 - name: create platform code dir
   file: path={{edx_platform_code_dir}} state=directory owner=www-data group=www-data mode=755
@@ -31,6 +39,7 @@
   - lms
   - cms
   - install
+  - deploy
 
 - name: checkout theme
   git: dest={{app_base_dir}}/themes/{{edxapp_theme_name}} repo={{edxapp_theme_source_repo}} version={{edxapp_theme_version}}