Try to speed up rsync for promoteToReleases2.sh

Change-Id: If7208518aae79e061e8fb9f73887f61981239011
Signed-off-by: Frederic Gurr <frederic.gurr@eclipse-foundation.org>
diff --git a/promoteUtils/promoteToReleases2.sh b/promoteUtils/promoteToReleases2.sh
index 16f8f68..8146dd2 100755
--- a/promoteUtils/promoteToReleases2.sh
+++ b/promoteUtils/promoteToReleases2.sh
@@ -46,7 +46,8 @@
 
 # Create ../releases/<release>/<dirdate> dir if it does not exist yet
 ssh "${SSH_REMOTE}" mkdir -p "${releaseSubDir}"
-ssh "${SSH_REMOTE}" rsync -ahr "${stagingDirectory}/*" "${releaseSubDir}/"
+# use -w and --no-compress, since it's a local copy on the same drive
+ssh "${SSH_REMOTE}" rsync -ahW --no-compress "${stagingDirectory}/*" "${releaseSubDir}/"
 
 scp "${BUILD_TOOLS_DIR}/promoteUtils/addRepoProperties-release_bash.sh" "${SSH_REMOTE}:~/"
 ssh "${SSH_REMOTE}" "~/addRepoProperties-release_bash.sh" "${release}" "${dirdate}"