Re: [PATCH 2/4] submodule--helper clone: simplify path check

[Junio C Hamano <gitster@pobox.com>]

Stefan Beller <sbeller@google.com> writes:

> The calling shell code makes sure that `path` is non null and non empty.
> (side note: it cannot be null as just three lines before it is passed
> to safe_create_leading_directories_const which would crash as you feed
> it null).

This is not Java so let's spell that thing NULL.

Perhaps it would be cheap-enough prudence to do this on top?

 builtin/submodule--helper.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 88002ca..f11796a 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -194,6 +194,8 @@ static int module_clone(int argc, const char **argv, const char *prefix)
 	argc = parse_options(argc, argv, prefix, module_clone_options,
 			     git_submodule_helper_usage, 0);
 
+	assert(path);
+
 	strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name);
 	sm_gitdir = strbuf_detach(&sb, NULL);