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/* guestfish - guest filesystem shell
* Copyright (C) 2010-2023 Red Hat Inc.
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/**
* The file implements the guestfish C<help> command.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <libintl.h>
#include "fish.h"
/**
* The C<help> command.
*
* This used to just list all commands, but that's not very useful.
* Instead display some useful context-sensitive help. This could be
* improved if we knew how many drives had been added already, and
* whether anything was mounted.
*/
int
display_help (const char *cmd, size_t argc, char *argv[])
{
if (argc == 0) {
if (guestfs_is_config (g))
printf (_(
"Add disk images to examine using the ‘-a’ or ‘-d’ options, or the ‘add’\n"
"command.\n"
"Or create a new disk image using ‘-N’, or the ‘alloc’ or ‘sparse’ commands.\n"
"Once you have done this, use the ‘run’ command.\n"
));
else
printf (_(
"Find out what filesystems are available using ‘list-filesystems’ and then\n"
"mount them to examine or modify the contents using ‘mount-ro’ or\n"
"‘mount’.\n"
));
printf ("\n");
printf (_(
"For more information about a command, use ‘help cmd’.\n"
"\n"
"To read the manual, type ‘man’.\n"
));
printf ("\n");
return 0;
}
else if (argc == 1) {
if (STREQ (argv[0], "--list") || STREQ (argv[0], "-l")) {
/* List all commands. */
list_commands ();
return 0;
}
else
return display_command (argv[0]);
}
else {
fprintf (stderr, _("use 'help', 'help <cmd>' or 'help -l|--list' to list all commands\n"));
return -1;
}
}
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