From 13d69d40da1637ec821b13b5105baf85d1638c11 Mon Sep 17 00:00:00 2001
From: John Koleszar <jkoleszar@google.com>
Date: Wed, 17 Oct 2012 21:43:18 -0700
Subject: [PATCH] lint-hunks: exit status for only affected lines

Prior to this patch, if there were any lint errors, this script would
exit with an error, even if those errors were not in the hunks being
tested by this script. This change makes it so that if any lint lines
are printed, an error is returned.

Change-Id: I69c8bef4367ccf25d287508f29e587b1f4426143
---
 tools/lint-hunks.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/tools/lint-hunks.py b/tools/lint-hunks.py
index c14caeccee..312fab138a 100755
--- a/tools/lint-hunks.py
+++ b/tools/lint-hunks.py
@@ -111,8 +111,6 @@ def main(argv=None):
             lint = Subprocess(cpplint_cmd, expected_returncode=(0, 1),
                               stdin=show.stdout, stderr=subprocess.PIPE)
             lint_out = lint.communicate()[1]
-            if lint.returncode == 1:
-                lint_failed = True
 
             for line in lint_out.split("\n"):
                 fields = line.split(":")
@@ -122,8 +120,9 @@ def main(argv=None):
                 if warning_line_num in affected_lines:
                     print "%s:%d:%s"%(filename, warning_line_num,
                                       ":".join(fields[2:]))
+                    lint_failed = True
 
-        # Propagate lint's exit status
+        # Set exit code if any relevant lint errors seen
         if lint_failed:
             return 1
 
-- 
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