Add management command for syncing with github

cms/djangoapps/contentstore/management/commands/import.py

 ###
-### One-off script for importing courseware form XML format
+### Script for importing courseware form XML format
 ###
 
 from django.core.management.base import BaseCommand, CommandError

cms/djangoapps/github_sync/__init__.py

@@ -16,6 +16,24 @@ log = logging.getLogger(__name__)
 RepoSettings = namedtuple('RepoSettings', 'path branch origin')
 
 
+def sync_all_with_github():
+    """
+    Sync all defined repositories from github
+    """
+    for repo_name in settings.REPOS:
+        sync_with_github(load_repo_settings(repo_name))
+
+
+def sync_with_github(repo_settings):
+    """
+    Sync specified repository from github
+
+    repo_settings: A RepoSettings defining which repo to sync
+    """
+    revision, course = import_from_github(repo_settings)
+    export_to_github(course, "Changes from cms import of revision %s" % revision, "CMS <cms@edx.org>")
+
+
 def setup_repo(repo_settings):
     """
     Reset the local github repo specified by repo_settings

cms/djangoapps/github_sync/management/commands/sync_with_github.py

+###
+### Script for syncing CMS with defined github repos
+###
+
+from django.core.management.base import NoArgsCommand
+from github_sync import sync_all_with_github
+
+
+class Command(NoArgsCommand):
+    help = \
+'''Sync the CMS with the defined github repos'''
+
+    def handle_noargs(self, **options):
+        sync_all_with_github()

cms/djangoapps/github_sync/views.py

@@ -5,7 +5,7 @@ from django.http import HttpResponse
 from django.conf import settings
 from django_future.csrf import csrf_exempt
 
-from . import import_from_github, export_to_github
+from . import sync_with_github, load_repo_settings
 
 log = logging.getLogger()
 
@@ -40,13 +40,12 @@ def github_post_receive(request):
         log.info('No repository matching %s found' % repo_name)
         return HttpResponse('No Repo Found')
 
-    repo = settings.REPOS[repo_name]
+    repo = load_repo_settings(repo_name)
 
-    if repo['branch'] != branch_name:
+    if repo.branch != branch_name:
         log.info('Ignoring changes to non-tracked branch %s in repo %s' % (branch_name, repo_name))
         return HttpResponse('Ignoring non-tracked branch')
 
-    revision, course = import_from_github(repo)
-    export_to_github(course, repo['path'], "Changes from cms import of revision %s" % revision)
+    sync_with_github(repo)
 
     return HttpResponse('Push received')

cms/envs/common.py

@@ -309,6 +309,7 @@ INSTALLED_APPS = (
 
     # For CMS
     'contentstore',
+    'github_sync',
     'student',  # misleading name due to sharing with lms
 
     # For asset pipelining