--- /dev/null
+/* search.c - search devices based on a file or a filesystem label */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2005,2007,2008,2009 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+static const struct grub_arg_option options[] =
+ {
+ {"file", 'f', 0, "search devices by a file", 0, 0},
+ {"label", 'l', 0, "search devices by a filesystem label", 0, 0},
+ {"fs-uuid", 'u', 0, "search devices by a filesystem UUID", 0, 0},
+ {"set", 's', GRUB_ARG_OPTION_OPTIONAL, "set a variable to the first device found", "VAR", ARG_TYPE_STRING},
+ {"no-floppy", 'n', 0, "do not probe any floppy drive", 0, 0},
+ {0, 0, 0, 0, 0, 0}
+ };
+
+enum options
+ {
+ SEARCH_FILE,
+ SEARCH_LABEL,
+ SEARCH_FS_UUID,
+ SEARCH_SET,
+ SEARCH_NO_FLOPPY,
+ };
+
+static grub_err_t
+grub_cmd_search (grub_extcmd_t cmd, int argc, char **args)
+{
+ struct grub_arg_list *state = cmd->state;
+ const char *var = 0;
+
+ if (argc == 0)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, "no argument specified");
+
+ if (state[SEARCH_SET].set)
+ var = state[SEARCH_SET].arg ? state[SEARCH_SET].arg : "root";
+
+ if (state[SEARCH_LABEL].set)
+ grub_search_label (args[0], var, state[SEARCH_NO_FLOPPY].set);
+ else if (state[SEARCH_FS_UUID].set)
+ grub_search_fs_uuid (args[0], var, state[SEARCH_NO_FLOPPY].set);
+ else if (state[SEARCH_FILE].set)
+ grub_search_fs_file (args[0], var, state[SEARCH_NO_FLOPPY].set);
+ else
+ return grub_error (GRUB_ERR_INVALID_COMMAND, "unspecified search type");
+
+ return grub_errno;
+}
+
+static grub_extcmd_t cmd;
+
+GRUB_MOD_INIT(search)
+{
+ cmd =
+ grub_register_extcmd ("search", grub_cmd_search,
+ GRUB_COMMAND_FLAG_BOTH,
+ "search [-f|-l|-u|-s|-n] NAME",
+ "Search devices by file, filesystem label or filesystem UUID."
+ " If --set is specified, the first device found is"
+ " set to a variable. If no variable name is"
+ " specified, \"root\" is used.",
+ options);
+}
+
+GRUB_MOD_FINI(search)
+{
+ grub_unregister_extcmd (cmd);
+}