t5601: add more test cases for IPV6

diff --git a/t/t1300-repo-config.sh b/t/t1300-repo-config.sh
index 3f80ff0c14c47b87bbbecb74d1951a1abe6bc5ba..938fc8bfd76c9889ebb2129642f878c9449acc9f 100755 (executable)
--- a/t/t1300-repo-config.sh
+++ b/t/t1300-repo-config.sh
@@ -824,14 +824,14 @@ cat >expect <<\EOF
        trailingtilde = foo~
 EOF
 
-test_expect_success NOT_MINGW 'set --path' '
+test_expect_success !MINGW 'set --path' '
        rm -f .git/config &&
        git config --path path.home "~/" &&
        git config --path path.normal "/dev/null" &&
        git config --path path.trailingtilde "foo~" &&
        test_cmp expect .git/config'
 
-if test_have_prereq NOT_MINGW && test "${HOME+set}"
+if test_have_prereq !MINGW && test "${HOME+set}"
 then
        test_set_prereq HOMEVAR
 fi
@@ -854,7 +854,7 @@ cat >expect <<\EOF
 foo~
 EOF
 
-test_expect_success NOT_MINGW 'get --path copes with unset $HOME' '
+test_expect_success !MINGW 'get --path copes with unset $HOME' '
        (
                unset HOME;
                test_must_fail git config --get --path path.home \
@@ -1010,6 +1010,17 @@ test_expect_success 'git -c "key=value" support' '
        test_must_fail git -c name=value config core.name
 '
 
+# We just need a type-specifier here that cares about the
+# distinction internally between a NULL boolean and a real
+# string (because most of git's internal parsers do care).
+# Using "--path" works, but we do not otherwise care about
+# its semantics.
+test_expect_success 'git -c can represent empty string' '
+       echo >expect &&
+       git -c foo.empty= config --path foo.empty >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success 'key sanity-checking' '
        test_must_fail git config foo=bar &&
        test_must_fail git config foo=.bar &&