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https://github.com/libguestfs/libguestfs.git
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103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/* guestfish - guest filesystem shell
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* Copyright (C) 2009-2019 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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* This file implements the guestfish C<reopen> 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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int
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run_reopen (const char *cmd, size_t argc, char *argv[])
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{
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guestfs_h *g2;
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int r;
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const char *p;
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guestfs_error_handler_cb cb;
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void *cb_data;
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if (argc > 0) {
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fprintf (stderr, _("‘reopen’ command takes no parameters\n"));
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return -1;
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}
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if (guestfs_shutdown (g) == -1)
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return -1;
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/* Open the new handle first, so we can copy the settings from the
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* old one to the new one, and also so if it fails we still have an
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* open handle.
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*/
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g2 = guestfs_create ();
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if (g2 == NULL) {
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fprintf (stderr, _("reopen: guestfs_create: failed to create handle\n"));
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return -1;
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}
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/* Now copy some of the settings from the old handle. The settings
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* we copy are those which are set by guestfish itself.
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*/
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cb = guestfs_get_error_handler (g, &cb_data);
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guestfs_set_error_handler (g2, cb, cb_data);
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r = guestfs_get_verbose (g);
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if (r >= 0)
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guestfs_set_verbose (g2, r);
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r = guestfs_get_trace (g);
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if (r >= 0)
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guestfs_set_trace (g2, r);
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r = guestfs_get_autosync (g);
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if (r >= 0)
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guestfs_set_autosync (g2, r);
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p = guestfs_get_path (g);
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if (p)
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guestfs_set_path (g2, p);
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r = guestfs_get_pgroup (g);
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if (r >= 0)
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guestfs_set_pgroup (g2, r);
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if (progress_bars)
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guestfs_set_event_callback (g2, progress_callback,
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GUESTFS_EVENT_PROGRESS, 0, NULL);
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/* Close the original handle. */
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guestfs_close (g);
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g = g2;
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/* We don't bother copying event handlers over to the new handle,
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* but we have to reset the list because they were registered
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* against the old handle.
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*/
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free_event_handlers ();
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init_event_handlers ();
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return 0;
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}
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