Function check_casefolding_conflict

submodule.c:2263–2303

}

static int check_casefolding_conflict(const char *git_dir,
				      const char *submodule_name,
				      const bool suffixes_match)
{
	char *p, *modules_dir = xstrdup(git_dir);
	struct dirent *de;
	DIR *dir = NULL;
	int ret = 0;

	if ((p = find_last_dir_sep(modules_dir)))
		*p = '\0';

	/* No conflict is possible if modules_dir doesn't exist (first clone) */
	if (!is_directory(modules_dir))
		goto cleanup;

	dir = opendir(modules_dir);
	if (!dir) {
		ret = -1;
		goto cleanup;
	}

	/* Check for another directory under .git/modules that differs only in case. */
	while ((de = readdir(dir))) {
		if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
			continue;

		if ((suffixes_match || is_git_directory(git_dir)) &&
		    !strcasecmp(de->d_name, submodule_name) &&
		    strcmp(de->d_name, submodule_name)) {
			ret = -1; /* collision found */
			break;
		}
	}

cleanup:
	if (dir)
		closedir(dir);
	free(modules_dir);
	return ret;
}

struct submodule_from_gitdir_cb {
	const char *gitdir;