set permissions and enable checkout from commit hashes, etc.

playbooks/roles/lms/tasks/main.yml

@@ -75,7 +75,7 @@
   - cms
 
 - name: git checkout edx-platform repo into $app_base_dir
-  git: dest={{platform_code_dir}} repo={{lms_source_repo}}
+  git: dest={{platform_code_dir}} repo={{lms_source_repo}} version={{lms_version}}
   environment:
     GIT_SSH: /tmp/git_ssh.sh
   tags:
@@ -83,6 +83,14 @@
   - cms
   - install
   
+- name: sets permissions on platform code dir
+  file: path={{platform_code_dir}} state=directory owner=www-data group=www-data mode=755
+  tags:
+  - lms
+  - cms
+  - install
+
+
 ## Install the debian package requirements system-wide
 - name: store remote apt_repos list for ansible use
   command: cat {{ apt_sources_file }}

playbooks/roles/lms/vars/main.yml

@@ -4,6 +4,7 @@
 lms_auth_config: {}
 lms_env_config: {}
 lms_source_repo: git@github.com:edx/edx-platform.git
+lms_version: 'HEAD'
 
 apt_sources_file:  "{{ platform_code_dir }}/requirements/system/{{os_name}}/apt-repos.txt"
 apt_packages_file: "{{ platform_code_dir }}/requirements/system/{{os_name}}/apt-packages.txt"