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85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/* guestfish - guest filesystem shell
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* Copyright (C) 2010-2025 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/**
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* The file implements the guestfish C<help> command.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <libintl.h>
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#include "fish.h"
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/**
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* The C<help> command.
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*
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* This used to just list all commands, but that's not very useful.
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* Instead display some useful context-sensitive help. This could be
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* improved if we knew how many drives had been added already, and
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* whether anything was mounted.
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*/
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int
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display_help (const char *cmd, size_t argc, char *argv[])
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{
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if (argc == 0) {
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if (guestfs_is_config (g))
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printf (_(
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"Add disk images to examine using the ‘-a’ or ‘-d’ options, or the ‘add’\n"
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"command.\n"
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"Or create a new disk image using ‘-N’, or the ‘alloc’ or ‘sparse’ commands.\n"
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"Once you have done this, use the ‘run’ command.\n"
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));
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else
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printf (_(
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"Find out what filesystems are available using ‘list-filesystems’ and then\n"
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"mount them to examine or modify the contents using ‘mount-ro’ or\n"
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"‘mount’.\n"
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));
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printf ("\n");
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printf (_(
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"For more information about a command, use ‘help cmd’.\n"
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"\n"
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"To read the manual, type ‘man’.\n"
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));
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printf ("\n");
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return 0;
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}
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else if (argc == 1) {
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if (STREQ (argv[0], "--list") || STREQ (argv[0], "-l")) {
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/* List all commands. */
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list_commands ();
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return 0;
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}
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else
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return display_command (argv[0]);
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}
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else {
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fprintf (stderr, _("use 'help', 'help <cmd>' or 'help -l|--list' to list all commands\n"));
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return -1;
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}
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}
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