[NaCl SDK] Push sdk_tools.tgz to commondatastorage on linux buildbots.

native_client_sdk/src/build_tools/build_sdk.py

Index: native_client_sdk/src/build_tools/build_sdk.py
diff --git a/native_client_sdk/src/build_tools/build_sdk.py b/native_client_sdk/src/build_tools/build_sdk.py
index 48ba1e59bc15a5429ab142b739d3e43f06c7e3e5..feec61e9ca78a4144f9276ad10f769a0921592dd 100755
--- a/native_client_sdk/src/build_tools/build_sdk.py
+++ b/native_client_sdk/src/build_tools/build_sdk.py
@@ -682,12 +682,20 @@ def main(args):
                             cwd=os.path.abspath(dirnode), shell=True)
 
   # Archive on non-trybots.
-  if options.archive or '-sdk' in os.environ.get('BUILDBOT_BUILDERNAME', ''):
+  buildername = os.environ.get('BUILDBOT_BUILDERNAME', '')
+  if options.archive or '-sdk' in buildername:
     buildbot_common.BuildStep('Archive build')
     bucket_path = 'nativeclient-mirror/nacl/nacl_sdk/%s' % \
         build_utils.ChromeVersion()
     buildbot_common.Archive(tarname, bucket_path, os.path.dirname(tarfile))
 
+    if not skip_update:
+      # Only push up sdk_tools.tgz on the linux buildbot.
+      if buildername == 'linux-sdk-multi':
+        sdk_tools = os.path.join(OUT_DIR, 'sdk_tools.tgz')
+        buildbot_common.Archive('sdk_tools.tgz', bucket_path, OUT_DIR,
+                                step_link=False)
+
     # generate "manifest snippet" for this archive.
     if not skip_test_updater:
       archive = bundle.GetArchive(manifest_util.GetHostOS())