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/* guestfish - guest filesystem shell
* Copyright (C) 2009-2017 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
* 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.
* This file implements the guestfish C<reopen> command.
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <libintl.h>
#include "fish.h"
run_reopen (const char *cmd, size_t argc, char *argv[])
guestfs_h *g2;
int r;
const char *p;
guestfs_error_handler_cb cb;
void *cb_data;
if (argc > 0) {
fprintf (stderr, _("‘reopen’ command takes no parameters\n"));
return -1;
if (guestfs_shutdown (g) == -1)
return -1;
/* Open the new handle first, so we can copy the settings from the
* old one to the new one, and also so if it fails we still have an
* open handle.
g2 = guestfs_create ();
if (g2 == NULL) {
fprintf (stderr, _("reopen: guestfs_create: failed to create handle\n"));
return -1;
/* Now copy some of the settings from the old handle. The settings
* we copy are those which are set by guestfish itself.
cb = guestfs_get_error_handler (g, &cb_data);
guestfs_set_error_handler (g2, cb, cb_data);
r = guestfs_get_verbose (g);
if (r >= 0)
guestfs_set_verbose (g2, r);
r = guestfs_get_trace (g);
if (r >= 0)
guestfs_set_trace (g2, r);
r = guestfs_get_autosync (g);
if (r >= 0)
guestfs_set_autosync (g2, r);
p = guestfs_get_path (g);
if (p)
guestfs_set_path (g2, p);
r = guestfs_get_pgroup (g);
if (r >= 0)
guestfs_set_pgroup (g2, r);
if (progress_bars)
guestfs_set_event_callback (g2, progress_callback,
/* Close the original handle. */
guestfs_close (g);
g = g2;
/* We don't bother copying event handlers over to the new handle,
* but we have to reset the list because they were registered
* against the old handle.
free_event_handlers ();
init_event_handlers ();
return 0;