Allow calling ktlint.py without any files.

This is needed to support repo upload when the only change is
deleted files and thus passed in list of files is empty.

Test: local repo upload
Change-Id: Ie2e36b29a67824cd1aced2e56d7fca3eec6a30bc

1 files changed, 1 insertions, 1 deletions

diff --git a/ktlint.py b/ktlint.py
index c78b6a9..fa9ea0e 100755
--- a/ktlint.py
+++ b/ktlint.py
@@ -30,7 +30,7 @@ KTLINT_JAR = os.path.join(MAIN_DIRECTORY, 'ktlint-android-all.jar')
 
 def main(args=None):
   parser = argparse.ArgumentParser()
-  parser.add_argument('--file', '-f', nargs='+')
+  parser.add_argument('--file', '-f', nargs='*')
   args = parser.parse_args()
   kotlin_files = [f for f in args.file if f.endswith('.kt')]
   if not kotlin_files: