Merge branch 'maint-1.6.5' into maint

* maint-1.6.5:
  t8003: check exit code of command and error message separately

Author: gitster

t/t8003-blame.sh

@@ -158,11 +158,13 @@ EOF
 '
 
 test_expect_success 'blame -L with invalid start' '
-	test_must_fail git blame -L5 tres 2>&1 | grep "has only 2 lines"
+	test_must_fail git blame -L5 tres 2>errors &&
+	grep "has only 2 lines" errors
 '
 
 test_expect_success 'blame -L with invalid end' '
-	git blame -L1,5 tres 2>&1 | grep "has only 2 lines"
+	test_must_fail git blame -L1,5 tres 2>errors &&
+	grep "has only 2 lines" errors
 '
 
 test_done