diff -r 058bb3dc685f -r 0b59724cb3f2 cubicweb/misc/migration/3.10.5_Any.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/misc/migration/3.10.5_Any.py	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,6 @@
+sync_schema_props_perms('CWSourceHostConfig', syncperms=False)
+
+sql('INSERT INTO cw_source_relation(eid_from, eid_to) '
+    'SELECT e.eid,s.cw_eid FROM entities as e, cw_CWSource as s '
+    'WHERE s.cw_name=e.source AND NOT EXISTS(SELECT 1 FROM cw_source_relation WHERE eid_from=e.eid AND eid_to=s.cw_eid)')
+commit()