[NaCl SDK] remove legacy naclports svn checkout

native_client_sdk/src/build_tools/build_sdk.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Entry point for both build and try bots.
 
 This script is invoked from XXX, usually without arguments
 to package an SDK. It automatically determines whether
 this SDK is for mac, win, linux.
@@ skipping 788 matching lines @@
         build_version.ChromeVersion(),)
     buildbot_common.Archive('sdk_tools.tgz', bucket_path, OUT_DIR,
                             step_link=False)
     buildbot_common.Archive('nacl_sdk.zip', bucket_path, OUT_DIR,
                             step_link=False)
 
 
 def BuildStepSyncNaClPorts():
   """Pull the pinned revision of naclports from SVN."""
   buildbot_common.BuildStep('Sync naclports')
+
+  # In case a previous svn checkout exists, remove it.
+  # TODO(sbc): remove this once all the build machines
+  # have removed the old checkout
+  if (os.path.exists(NACLPORTS_DIR) and
+      not os.path.exists(os.path.join(NACLPORTS_DIR, '.git'))):
+    buildbot_common.RemoveDir(NACLPORTS_DIR)
+
   if not os.path.exists(NACLPORTS_DIR):
     # checkout new copy of naclports
     cmd = ['git', 'clone', NACLPORTS_URL, 'naclports']
     buildbot_common.Run(cmd, cwd=os.path.dirname(NACLPORTS_DIR))
   else:
     # checkout new copy of naclports
     buildbot_common.Run(['git', 'fetch'], cwd=NACLPORTS_DIR)
 
   # sync to required revision
   cmd = ['git', 'checkout', str(NACLPORTS_REV)]
@@ skipping 228 matching lines @@
     BuildStepArchiveSDKTools()
 
   return 0
 
 
 if __name__ == '__main__':
   try:
     sys.exit(main(sys.argv))
   except KeyboardInterrupt:
     buildbot_common.ErrorExit('build_sdk: interrupted')