Sumo refresh

Update external subtrees to latest Yocto sumo.

Change-Id: I8364f32bef079841c6e57f1c587f4b1bedf62fef
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/poky/scripts/lib/devtool/sdk.py b/poky/scripts/lib/devtool/sdk.py
index f46577c..4616753 100644
--- a/poky/scripts/lib/devtool/sdk.py
+++ b/poky/scripts/lib/devtool/sdk.py
@@ -145,6 +145,9 @@
         # Fetch manifest from server
         tmpmanifest = os.path.join(tmpsdk_dir, 'conf', 'sdk-conf-manifest')
         ret = subprocess.call("wget -q -O %s %s/conf/sdk-conf-manifest" % (tmpmanifest, updateserver), shell=True)
+        if ret != 0:
+            logger.error("Cannot dowload files from %s" % updateserver)
+            return ret
         changedfiles = check_manifest(tmpmanifest, basepath)
         if not changedfiles:
             logger.info("Already up-to-date")