setup_git_env: avoid blind fall-back to ".git"

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index fd72c90442dca5f1be7bb822ed0579813557c739..6182eb3197848dc613da1d02280fce0de003addc 100644 (file)
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -748,7 +748,7 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
                if (suc->recursive_prefix)
                        strbuf_addf(&sb, "%s/%s", suc->recursive_prefix, ce->name);
                else
-                       strbuf_addf(&sb, "%s", ce->name);
+                       strbuf_addstr(&sb, ce->name);
                strbuf_addf(out, _("Skipping unmerged submodule %s"), sb.buf);
                strbuf_addch(out, '\n');
                goto cleanup;