Function update_path_in_gitmodules

submodule.c:116–139

* Try to update the "path" entry in the "submodule. " section of the * .gitmodules file. Return 0 only if a .gitmodules file was found, a section * with the correct path= setting was found and we could update it. */

 * with the correct path=<oldpath> setting was found and we could update it.
 */
int update_path_in_gitmodules(const char *oldpath, const char *newpath)
{
	struct strbuf entry = STRBUF_INIT;
	const struct submodule *submodule;
	int ret;

	if (!file_exists(GITMODULES_FILE)) /* Do nothing without .gitmodules */
		return -1;

	if (is_gitmodules_unmerged(the_repository->index))
		die(_("Cannot change unmerged .gitmodules, resolve merge conflicts first"));

	submodule = submodule_from_path(the_repository, null_oid(the_hash_algo), oldpath);
	if (!submodule || !submodule->name) {
		warning(_("Could not find section in .gitmodules where path=%s"), oldpath);
		return -1;
	}
	strbuf_addstr(&entry, "submodule.");
	strbuf_addstr(&entry, submodule->name);
	strbuf_addstr(&entry, ".path");
	ret = config_set_in_gitmodules_file_gently(entry.buf, newpath);
	strbuf_release(&entry);
	return ret;
}

/*
 * Try to remove the "submodule.<name>" section from .gitmodules where the given