Fix `checkbuild.py --help`.

This does have the rather unfortunate behavior of requiring bootstrap
to complete before the help can be displayed, but there isn't really a
way around that.

Test: ./checkbuild.py --help
Bug: None
Change-Id: If9b76166836bb4f0774629855a8cfc6ab4f64535

1 files changed, 2 insertions, 1 deletions

diff --git a/checkbuild.py b/checkbuild.py
index da676df90..a9037a238 100755
--- a/checkbuild.py
+++ b/checkbuild.py
@@ -33,7 +33,8 @@ THIS_DIR = os.path.realpath(os.path.dirname(__file__))
 
 def parse_args():
     """Parses and returns command line arguments."""
-    parser = argparse.ArgumentParser()
+    # Don't add help because it inhibits the real checkbuild.py's --help.
+    parser = argparse.ArgumentParser(add_help=False)
     parser.add_argument(
         '-v',
         '--verbose',