Fix ktlint hook

In ag/18798895, I broke the early exit condition when the ktlint hook
would receive 0 Kotlin files. Since that CL, ktlint would always run on
a big number of files if th CL didn't contain any change in a .kt or
.kts file.

Bug: 235461679
Test: Manual
Change-Id: Iaf21df8e85943229c1d832b186825b41cf231b2d

1 files changed, 3 insertions, 2 deletions

diff --git a/ktlint.py b/ktlint.py
index 80703a4..86b15ed 100755
--- a/ktlint.py
+++ b/ktlint.py
@@ -45,12 +45,13 @@ def main(args=None):
   parser.set_defaults(format=False)
   args = parser.parse_args()
   kt_files = [f for f in args.file if f.endswith('.kt') or f.endswith('.kts')]
+  if not kt_files:
+    sys.exit(0)
+
   ktlint_args = kt_files[:]
   ktlint_args += ['--editorconfig', EDITOR_CONFIG]
   if args.format:
     ktlint_args += ['-F']
-  if not ktlint_args:
-    sys.exit(0)
 
   ktlint_args += ['--android']