Even older.
diff --git a/releng/org.eclipse.amp.releng/promote-N.properties b/releng/org.eclipse.amp.releng/promote-N.properties
index 10daae3..45856b6 100644
--- a/releng/org.eclipse.amp.releng/promote-N.properties
+++ b/releng/org.eclipse.amp.releng/promote-N.properties
@@ -11,7 +11,7 @@
buildTypes=N
# synch method method (add or replace; add = keep adding new builds; replace = keep 1 build per branch)
-synchMethod=replace
+synchMethod=add
# if set, update zip will be unpacked into destination dir and use synchMethod above to add or replace contents
targetUpdateDir=/home/data/httpd/download.eclipse.org/amp/updates/nightly