Move sky_home.* from domokit.github.io into our repo

mojo/tools/deploy_domokit_site.py

 #!/usr/bin/env python
 # Copyright 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.
 
 """Deploy domokit.github.io"""
 
 # NOTE: Requires that download_material_design_icons to have been run from
 # $build_dir/gen/dart-dpkg/sky.
 
@@ skipping 51 matching lines @@
 
 
 def packages_filter(path):
     if 'packages/sky/assets/material-design-icons/' in path:
         return assets_filter(path)
     if '.gitignore' in path:
         return False
     return True
 
 
+def ensure_dir_exists(path):
+    if not os.path.exists(path):
+        os.makedirs(path)
+
+
 def copy(from_root, to_root, filter_func=None, followlinks=False):
+    assert os.path.exists(from_root), "%s does not exist!" % from_root
+    if os.path.isfile(from_root):
+        ensure_dir_exists(os.path.dirname(to_root))
+        shutil.copy(from_root, to_root)
+        return
+
     if os.path.exists(to_root):
         shutil.rmtree(to_root)
     os.makedirs(to_root)
 
     for root, dirs, files in os.walk(from_root, followlinks=followlinks):
         # filter_func expects paths not names, so wrap it to make them absolute.
         wrapped_filter = None
         if filter_func:
             wrapped_filter = lambda name: filter_func(os.path.join(root, name))
 
@@ skipping 35 matching lines @@
                              'sky/assets/material-design-icons')
     if not os.path.isdir(icons_dir):
         print('NOTE: Running `download_material_design_icons` for you.');
         subprocess.check_call([
                 os.path.join(sky_pkg_lib_dir, 'download_material_design_icons')
             ])
 
     # Copy sky/examples into examples/
     copy(src_path('sky/examples'), deploy_path('examples'), examples_filter)
 
+    copy(src_path('sky/sky_home'), args.deploy_root)
+    copy(src_path('sky/sky_home.dart'), args.deploy_root)
+
     # Deep copy packages/. This follows symlinks and flattens them.
     packages_root = deploy_path('packages')
     copy(dart_pkg_packages_dir, packages_root, packages_filter, True)
 
     # Write out license.
     with open(deploy_path('LICENSES.sky'), 'w') as license_file:
         subprocess.check_call([src_path('tools/licenses.py'), 'credits'],
             stdout=license_file)
 
     # Run git commands.
     subprocess.check_call(['git', 'add', '.'], cwd=args.deploy_root)
     subprocess.check_call([
         'git', 'commit',
         '-m', '%s from %s' % (rel_build_dir, git_revision())
         ], cwd=args.deploy_root)
 
 
 if __name__ == '__main__':
     main()