+static const char embedded_advice[] = N_(
+"You've added another git repository inside your current repository.\n"
+"Clones of the outer repository will not contain the contents of\n"
+"the embedded repository and will not know how to obtain it.\n"
+"If you meant to add a submodule, use:\n"
+"\n"
+" git submodule add <url> %s\n"
+"\n"
+"If you added this path by mistake, you can remove it from the\n"
+"index with:\n"
+"\n"
+" git rm --cached %s\n"
+"\n"
+"See \"git help submodule\" for more information."
+);
+
+static void check_embedded_repo(const char *path)
+{
+ struct strbuf name = STRBUF_INIT;
+
+ if (!warn_on_embedded_repo)
+ return;
+ if (!ends_with(path, "/"))
+ return;
+
+ /* Drop trailing slash for aesthetics */
+ strbuf_addstr(&name, path);
+ strbuf_strip_suffix(&name, "/");
+
+ warning(_("adding embedded git repository: %s"), name.buf);
+ if (advice_add_embedded_repo) {
+ advise(embedded_advice, name.buf, name.buf);
+ /* there may be multiple entries; advise only once */
+ advice_add_embedded_repo = 0;
+ }
+
+ strbuf_release(&name);
+}
+