test-lib: parse options in a for loop to keep $@ intact

diff --git a/t/t5611-clone-config.sh b/t/t5611-clone-config.sh
index e4850b778c2f20df02ce187cc8cd057df2759d7d..39329eb7a8a64b177794b83ef8828b866fead547 100755 (executable)
--- a/t/t5611-clone-config.sh
+++ b/t/t5611-clone-config.sh
@@ -19,6 +19,14 @@ test_expect_success 'clone -c can set multi-keys' '
        test_cmp expect actual
 '
 
+test_expect_success 'clone -c can set multi-keys, including some empty' '
+       rm -rf child &&
+       git clone -c credential.helper= -c credential.helper=hi . child &&
+       printf "%s\n" "" hi >expect &&
+       git --git-dir=child/.git config --get-all credential.helper >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success 'clone -c without a value is boolean true' '
        rm -rf child &&
        git clone -c core.foo . child &&