Merge branch 'wc/diff'

* wc/diff:
  Test interaction between diff --check and --exit-code
  Use shorter error messages for whitespace problems
  Add tests for "git diff --check" with core.whitespace options
  Make "diff --check" output match "git apply"
  Unify whitespace checking
  diff --check: minor fixups
  "diff --check" should affect exit status

1 files changed, 1 insertions, 3 deletions

diff --git a/builtin-diff-index.c b/builtin-diff-index.c
index 556c506bfa..0f2390a20a 100644
--- a/builtin-diff-index.c
+++ b/builtin-diff-index.c
@@ -44,7 +44,5 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix)
 		return -1;
 	}
 	result = run_diff_index(&rev, cached);
-	if (DIFF_OPT_TST(&rev.diffopt, EXIT_WITH_STATUS))
-		return DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES) != 0;
-	return result;
+	return diff_result_code(&rev.diffopt, result);
 }