re-add accidentally removed root check

script/bootstrap.py

@@ -18,6 +18,8 @@ if sys.platform in ['win32', 'cygwin']:
 
 def main():
     args = parse_args()
+    if not args.yes and PLATFORM != 'win32':
+        check_root()
     if args.verbose:
         enable_verbose_mode()
 
@@ -28,8 +30,18 @@ def parse_args():
     parser = argparse.ArgumentParser(description='Bootstrap this project')
     parser.add_argument('-v', '--verbose', action='store_true',
                         help='Prints the output of the subprocesses')
+    parser.add_argument('-y', '--yes', '--assume-yes',
+                        action='store_true',
+                        help='Run non-interactively by assuming "yes" to all '
+                        'prompts.')
     return parser.parse_args()
 
+def check_root():
+    if os.geteuid() == 0:  # pylint: disable=no-member
+        print("We suggest not running this as root, unless you're really sure.")
+        choice = input("Do you want to continue? [y/N]: ")
+        if choice not in ('y', 'Y'):
+            sys.exit(0)
 
 def update_node_modules(dirname, env=None):
     if env is None: