force overwrite and close #31

pipeline/packager.py

@@ -79,8 +79,7 @@ class Packager(object):
         return self.compressor.compile_templates(package['templates'])
 
     def save_file(self, path, content):
-        storage.save(path, ContentFile(content))
-        return path
+        return storage.save(path, ContentFile(content))
 
     def create_packages(self, config):
         packages = {}

pipeline/storage.py

@@ -28,6 +28,11 @@ class PipelineStorage(FileSystemStorage):
     def modified_time(self, name):
         return datetime.fromtimestamp(os.path.getmtime(self.path(name)))
 
+    def get_available_name(self, name):
+        if self.exists(name):
+            self.delete(name)
+        return name
+
     def _open(self, name, mode='rb'):
         full_path = self.path(name)
         directory = os.path.dirname(full_path)