common.py: Introduced get_prerelease_projects API

Although it's tiny API it makes sense to implement it as
it keeps usage of OBS_PROJECT_PREFIX inside common.py

Change-Id: Ib5166f4804499576f8540a3141129507410beb49
Signed-off-by: Ed Bartosh <eduard.bartosh@intel.com>

diff --git a/repa/common.py b/repa/common.py
index 5f41030d4fec29f438e1e7ededa1461fb53595a7..a3912cb106908d551d62bccb3ce023be42cbafbf 100644 (file)
--- a/repa/common.py
+++ b/repa/common.py
@@ -41,6 +41,10 @@ class RepaException(Exception):
     """Custom repa exception. All repa modules should use it."""
     pass
 
+def get_prerelease_projects(obs, target_prj, tag=None):
+    """Get list of prerelease projects for specified target project."""
+    return obs.get_project_list('^%s%s:' % (OBS_PROJECT_PREFIX, target_prj))
+
 def get_project_by_name(obs, name, target):
     """Lookup for a project in OBS by submission or group name."""
     if name.startswith('submitgroup/'):