Add sky_server for mac host

sky/tools/upload_sky_server

Index: sky/tools/upload_sky_server
diff --git a/sky/tools/upload_sky_server b/sky/tools/upload_sky_server
new file mode 100755
index 0000000000000000000000000000000000000000..bdf114e2499e88ed2fa6c2e35943eed8093c6f10
--- /dev/null
+++ b/sky/tools/upload_sky_server
@@ -0,0 +1,58 @@
+#!/usr/bin/env python
+# Copyright (c) 2015 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.
+
+import os
+import stat
+import subprocess
+import sys
+
+from webkitpy.common.system import filesystem
+from webkitpy.common.webkit_finder import WebKitFinder
+
+PLATFORM_MAPPING = {
+    'cygwin': 'win',
+    'darwin': 'mac',
+    'linux2': 'linux',
+    'win32': 'win',
+}
+
+def main(args):
+    filename = 'sky_server';
+    if not os.path.exists(filename):
+        print >> sys.stderr, ('%s not found in the current directory.'
+                                 % filename)
+        return 1
+
+    upload_filename = filename + '_' + PLATFORM_MAPPING[sys.platform]

[jamesr, 2015/05/21 21:33:05]

we should share this logic with the downloader script

+    try:
+        print 'Symlink %s to %s...' % (filename, upload_filename)
+        os.symlink(filename, upload_filename)
+    except OSError:
+        print >> sys.stderr, 'failed to create a symlink.'
+        return 2
+
+    finder = WebKitFinder(filesystem.FileSystem())
+
+    print 'Upload %s...' % upload_filename
+    subprocess.call([
+        'upload_to_google_storage.py',
+        '--bucket', 'mojo',
+        finder.path_from_chromium_base('sky', 'tools', 'skygo',
+                                       upload_filename),
+    ])
+
+    print 'Clean up the symlink...'
+    try:
+        os.remove(upload_filename)
+    except OSError:
+        print >> sys.stderr, 'failed to remove %s.' % upload_filename
+        return 3
+
+if __name__ == '__main__':
+  try:
+    sys.exit(main(sys.argv))
+  except KeyboardInterrupt:
+    sys.stderr.write('interrupted\n')
+    sys.exit(1)