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-rw-r--r--builtin/submodule--helper.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 6bf8d666ce..6a16208e8a 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -2024,14 +2024,17 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
strbuf_reset(&sb);
strbuf_addf(&sb, "submodule.%s.url", sub->name);
if (repo_config_get_string_tmp(the_repository, sb.buf, &url)) {
- if (starts_with_dot_slash(sub->url) ||
- starts_with_dot_dot_slash(sub->url)) {
+ if (sub->url && (starts_with_dot_slash(sub->url) ||
+ starts_with_dot_dot_slash(sub->url))) {
url = resolve_relative_url(sub->url, NULL, 0);
need_free_url = 1;
} else
url = sub->url;
}
+ if (!url)
+ die(_("cannot clone submodule '%s' without a URL"), sub->name);
+
strbuf_reset(&sb);
strbuf_addf(&sb, "%s/.git", ce->name);
needs_cloning = !file_exists(sb.buf);