grub-core/commands/configfile.c

   1 /* configfile.c - command to manually load config file  */
   2 /*
   3  *  GRUB  --  GRand Unified Bootloader
   4  *  Copyright (C) 2005,2006,2007,2009  Free Software Foundation, Inc.
   5  *
   6  *  GRUB is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  GRUB is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <grub/dl.h>
  21 #include <grub/term.h>
  22 #include <grub/env.h>
  23 #include <grub/normal.h>
  24 #include <grub/command.h>
  25 #include <grub/i18n.h>
  26
  27 GRUB_MOD_LICENSE ("GPLv3+");
  28
  29 static grub_err_t
  30 grub_cmd_source (grub_command_t cmd, int argc, char **args)
  31 {
  32   int new_env, extractor;
  33
  34   if (argc != 1)
  35     return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
  36
  37   extractor = (cmd->name[0] == 'e');
  38   new_env = (cmd->name[extractor ? sizeof ("extract_entries_") - 1 : 0] == 'c');
  39
  40   if (new_env)
  41     grub_cls ();
  42
  43   if (new_env && !extractor)
  44     grub_env_context_open ();
  45   if (extractor)
  46     grub_env_extractor_open (!new_env);
  47
  48   grub_normal_execute (args[0], 1, ! new_env);
  49
  50   if (new_env && !extractor)
  51     grub_env_context_close ();
  52   if (extractor)
  53     grub_env_extractor_close (!new_env);
  54
  55   return 0;
  56 }
  57
  58 static grub_command_t cmd_configfile, cmd_source, cmd_dot;
  59 static grub_command_t cmd_extractor_source, cmd_extractor_configfile;
  60 \f
  61 GRUB_MOD_INIT(configfile)
  62 {
  63   cmd_configfile =
  64     grub_register_command ("configfile", grub_cmd_source,
  65                            N_("FILE"), N_("Load another config file."));
  66   cmd_source =
  67     grub_register_command ("source", grub_cmd_source,
  68                            N_("FILE"),
  69                            N_("Load another config file without changing context.")
  70                            );
  71
  72   cmd_extractor_source =
  73     grub_register_command ("extract_entries_source", grub_cmd_source,
  74                            N_("FILE"),
  75                            N_("Load another config file without changing context but take only menu entries.")
  76                            );
  77
  78   cmd_extractor_configfile =
  79     grub_register_command ("extract_entries_configfile", grub_cmd_source,
  80                            N_("FILE"),
  81                            N_("Load another config file but take only menu entries.")
  82                            );
  83
  84   cmd_dot =
  85     grub_register_command (".", grub_cmd_source,
  86                            N_("FILE"),
  87                            N_("Load another config file without changing context.")
  88                            );
  89 }
  90
  91 GRUB_MOD_FINI(configfile)
  92 {
  93   grub_unregister_command (cmd_configfile);
  94   grub_unregister_command (cmd_source);
  95   grub_unregister_command (cmd_extractor_configfile);
  96   grub_unregister_command (cmd_extractor_source);
  97   grub_unregister_command (cmd_dot);
  98 }