glob.c \
lcd.c \
more.c \
+ reopen.c \
time.c
guestfish_CFLAGS = \
else if (strcasecmp (cmd, "more") == 0 ||
strcasecmp (cmd, "less") == 0)
r = do_more (cmd, argc, argv);
+ else if (strcasecmp (cmd, "reopen") == 0)
+ r = do_reopen (cmd, argc, argv);
else if (strcasecmp (cmd, "time") == 0)
r = do_time (cmd, argc, argv);
else
printf ("%-20s %s\n",
"more", _("view a file in the pager"));
printf ("%-20s %s\n",
+ "reopen", _("close and reopen libguestfs handle"));
+ printf ("%-20s %s\n",
"time", _("measure time taken to run command"));
/* actions are printed after this (see list_commands) */
" Glob runs <command> with wildcards expanded in any\n"
" command args. Note that the command is run repeatedly\n"
" once for each expanded argument.\n"));
+ else if (strcasecmp (cmd, "help") == 0)
+ printf (_("help - display a list of commands or help on a command\n"
+ " help cmd\n"
+ " help\n"));
else if (strcasecmp (cmd, "more") == 0 ||
strcasecmp (cmd, "less") == 0)
printf (_("more - view a file in the pager\n"
"\n"
" NOTE: This will not work reliably for large files\n"
" (> 2 MB) or binary files containing \\0 bytes.\n"));
- else if (strcasecmp (cmd, "help") == 0)
- printf (_("help - display a list of commands or help on a command\n"
- " help cmd\n"
- " help\n"));
else if (strcasecmp (cmd, "quit") == 0 ||
strcasecmp (cmd, "exit") == 0 ||
strcasecmp (cmd, "q") == 0)
printf (_("quit - quit guestfish\n"
" quit\n"));
+ else if (strcasecmp (cmd, "reopen") == 0)
+ printf (_("reopen - close and reopen the libguestfs handle\n"
+ " reopen\n"
+ "\n"
+ "Close and reopen the libguestfs handle. It is not necessary to use\n"
+ "this normally, because the handle is closed properly when guestfish\n"
+ "exits. However this is occasionally useful for testing.\n"));
else if (strcasecmp (cmd, "time") == 0)
printf (_("time - measure time taken to run command\n"
" time <command> [<args> ...]\n"
/* in more.c */
extern int do_more (const char *cmd, int argc, char *argv[]);
+/* in reopen.c */
+extern int do_reopen (const char *cmd, int argc, char *argv[]);
+
/* in time.c */
extern int do_time (const char *cmd, int argc, char *argv[]);
"lcd", \
"glob", \
"more", "less", \
+ "reopen", \
"time"
#endif /* FISH_H */
--- /dev/null
+/* guestfish - the filesystem interactive shell
+ * Copyright (C) 2009 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "fish.h"
+
+int
+do_reopen (const char *cmd, int argc, char *argv[])
+{
+ guestfs_h *g2;
+ int r;
+ const char *p;
+
+ if (argc > 0) {
+ fprintf (stderr, _("'reopen' command takes no parameters\n"));
+ 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.
+ */
+ r = guestfs_get_verbose (g);
+ if (r >= 0)
+ guestfs_set_verbose (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);
+
+ /* Close the original handle. */
+ guestfs_close (g);
+ g = g2;
+
+ return 0;
+}
This exits guestfish. You can also use C<^D> key.
+=head2 reopen
+
+ reopen
+
+Close and reopen the libguestfs handle. It is not necessary to use
+this normally, because the handle is closed properly when guestfish
+exits. However this is occasionally useful for testing.
+
=head2 time
time command args...