mingw: intercept isatty() to handle /dev/null as Git expects it

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 8807539115b0284bb56b5a2d75226fab27b8cb5a..dbe5699fe688faeec3bdad899f229746b96be57f 100644 (file)
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -637,7 +637,7 @@ 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;