print errno when reporting a system call error

diff --git a/t/t1308-config-set.sh b/t/t1308-config-set.sh
index df92fdcd409069a6df496960abb66ae66540b9cc..e495a616161660bcade644dea42b5c8e53cc64b3 100755 (executable)
--- a/t/t1308-config-set.sh
+++ b/t/t1308-config-set.sh
@@ -187,6 +187,7 @@ test_expect_success 'proper error on directory "files"' '
        echo "Error (-1) reading configuration file a-directory." >expect &&
        mkdir a-directory &&
        test_expect_code 2 test-config configset_get_value foo.bar a-directory 2>output &&
+       grep "^warning:" output &&
        grep "^Error" output >actual &&
        test_cmp expect actual
 '
@@ -196,6 +197,7 @@ test_expect_success POSIXPERM,SANITY 'proper error on non-accessible files' '
        test_when_finished "chmod +r .git/config" &&
        echo "Error (-1) reading configuration file .git/config." >expect &&
        test_expect_code 2 test-config configset_get_value foo.bar .git/config 2>output &&
+       grep "^warning:" output &&
        grep "^Error" output >actual &&
        test_cmp expect actual
 '