char *mountpoint;
};
+struct drv {
+ struct drv *next;
+ char *filename;
+};
+
+static void add_drives (struct drv *drv);
static void mount_mps (struct mp *mp);
static void interactive (void);
static void shell_script (void);
/* Currently open libguestfs handle. */
guestfs_h *g;
-int g_launched = 0;
int read_only = 0;
int quit = 0;
{
assert (_g == g);
- if (!g_launched) {
+ if (guestfs_is_config (g)) {
if (guestfs_launch (g) == -1)
return -1;
if (guestfs_wait_ready (g) == -1)
return -1;
- g_launched = 1;
}
return 0;
}
usage (void)
{
fprintf (stderr,
- "guestfish: guest filesystem shell\n"
- "guestfish lets you edit virtual machine filesystems\n"
- "Copyright (C) 2009 Red Hat Inc.\n"
- "Usage:\n"
- " guestfish [--options] cmd [: cmd : cmd ...]\n"
- "or for interactive use:\n"
- " guestfish\n"
- "or from a shell script:\n"
- " guestfish <<EOF\n"
- " cmd\n"
- " ...\n"
- " EOF\n"
- "Options:\n"
- " -h|--cmd-help List available commands\n"
- " -h|--cmd-help cmd Display detailed help on 'cmd'\n"
- " -a|--add image Add image\n"
- " -m|--mount dev[:mnt] Mount dev on mnt (if omitted, /)\n"
- " -n|--no-sync Don't autosync\n"
- " -r|--ro Mount read-only\n"
- " -v|--verbose Verbose messages\n"
- " -V|--version Display version and exit\n"
- "For more information, see the manpage guestfish(1).\n");
+ _("guestfish: guest filesystem shell\n"
+ "guestfish lets you edit virtual machine filesystems\n"
+ "Copyright (C) 2009 Red Hat Inc.\n"
+ "Usage:\n"
+ " guestfish [--options] cmd [: cmd : cmd ...]\n"
+ "or for interactive use:\n"
+ " guestfish\n"
+ "or from a shell script:\n"
+ " guestfish <<EOF\n"
+ " cmd\n"
+ " ...\n"
+ " EOF\n"
+ "Options:\n"
+ " -h|--cmd-help List available commands\n"
+ " -h|--cmd-help cmd Display detailed help on 'cmd'\n"
+ " -a|--add image Add image\n"
+ " -m|--mount dev[:mnt] Mount dev on mnt (if omitted, /)\n"
+ " -n|--no-sync Don't autosync\n"
+ " -r|--ro Mount read-only\n"
+ " -v|--verbose Verbose messages\n"
+ " -V|--version Display version and exit\n"
+ "For more information, see the manpage guestfish(1).\n"));
}
int
{ "version", 0, 0, 'V' },
{ 0, 0, 0, 0 }
};
+ struct drv *drvs = NULL;
+ struct drv *drv;
struct mp *mps = NULL;
struct mp *mp;
char *p;
*/
g = guestfs_create ();
if (g == NULL) {
- fprintf (stderr, "guestfs_create: failed to create handle\n");
+ fprintf (stderr, _("guestfs_create: failed to create handle\n"));
exit (1);
}
guestfs_set_autosync (g, 1);
- /* If developing, add . to the path. Note that libtools interferes
- * with this because uninstalled guestfish is a shell script that runs
- * the real program with an absolute path. Detect that too.
+ /* If developing, add ./appliance to the path. Note that libtools
+ * interferes with this because uninstalled guestfish is a shell
+ * script that runs the real program with an absolute path. Detect
+ * that too.
*
* BUT if LIBGUESTFS_PATH environment variable is already set by
* the user, then don't override it.
if (getenv ("LIBGUESTFS_PATH") == NULL &&
argv[0] &&
(argv[0][0] != '/' || strstr (argv[0], "/.libs/lt-") != NULL))
- guestfs_set_path (g, ".:" GUESTFS_DEFAULT_PATH);
+ guestfs_set_path (g, "appliance:" GUESTFS_DEFAULT_PATH);
for (;;) {
c = getopt_long (argc, argv, options, long_options, NULL);
perror (optarg);
exit (1);
}
- if (guestfs_add_drive (g, optarg) == -1)
- exit (1);
+ drv = malloc (sizeof (struct drv));
+ if (!drv) {
+ perror ("malloc");
+ exit (1);
+ }
+ drv->filename = optarg;
+ drv->next = drvs;
+ drvs = drv;
break;
case 'h':
exit (0);
default:
- fprintf (stderr, "guestfish: unexpected command line option 0x%x\n", c);
+ fprintf (stderr, _("guestfish: unexpected command line option 0x%x\n"),
+ c);
exit (1);
}
}
+ /* If we've got drives to add, add them now. */
+ add_drives (drvs);
+
/* If we've got mountpoints, we must launch the guest and mount them. */
if (mps != NULL) {
if (launch (g) == -1) exit (1);
}
static void
+add_drives (struct drv *drv)
+{
+ int r;
+
+ if (drv) {
+ add_drives (drv->next);
+ if (!read_only)
+ r = guestfs_add_drive (g, drv->filename);
+ else
+ r = guestfs_add_drive_ro (g, drv->filename);
+ if (r == -1)
+ exit (1);
+ }
+}
+
+static void
interactive (void)
{
script (1);
char *p, *pend;
char *argv[64];
int i, len;
+ int global_exit_on_error = !prompt;
+ int exit_on_error;
if (prompt)
- printf ("\n"
- "Welcome to guestfish, the libguestfs filesystem interactive shell for\n"
- "editing virtual machine filesystems.\n"
- "\n"
- "Type: 'help' for help with commands\n"
- " 'quit' to quit the shell\n"
- "\n");
+ printf (_("\n"
+ "Welcome to guestfish, the libguestfs filesystem interactive shell for\n"
+ "editing virtual machine filesystems.\n"
+ "\n"
+ "Type: 'help' for help with commands\n"
+ " 'quit' to quit the shell\n"
+ "\n"));
while (!quit) {
+ exit_on_error = global_exit_on_error;
+
buf = rl_gets (prompt);
if (!buf) {
quit = 1;
}
/* Skip any initial whitespace before the command. */
+ again:
while (*buf && isspace (*buf))
buf++;
int r;
r = system (buf+1);
- if (!prompt) {
+ if (exit_on_error) {
if (r == -1 ||
(WIFSIGNALED (r) &&
(WTERMSIG (r) == SIGINT || WTERMSIG (r) == SIGQUIT)) ||
continue;
}
+ /* If the next character is '-' allow the command to fail without
+ * exiting on error (just for this one command though).
+ */
+ if (*buf == '-') {
+ exit_on_error = 0;
+ buf++;
+ goto again;
+ }
+
/* Get the command (cannot be quoted). */
len = strcspn (buf, " \t");
p++;
len = strcspn (p, "\"");
if (p[len] == '\0') {
- fprintf (stderr, "guestfish: unterminated double quote\n");
- if (!prompt) exit (1);
+ fprintf (stderr, _("guestfish: unterminated double quote\n"));
+ if (exit_on_error) exit (1);
goto next_command;
}
if (p[len+1] && (p[len+1] != ' ' && p[len+1] != '\t')) {
- fprintf (stderr, "guestfish: command arguments not separated by whitespace\n");
- if (!prompt) exit (1);
+ fprintf (stderr, _("guestfish: command arguments not separated by whitespace\n"));
+ if (exit_on_error) exit (1);
goto next_command;
}
p[len] = '\0';
p++;
len = strcspn (p, "'");
if (p[len] == '\0') {
- fprintf (stderr, "guestfish: unterminated single quote\n");
- if (!prompt) exit (1);
+ fprintf (stderr, _("guestfish: unterminated single quote\n"));
+ if (exit_on_error) exit (1);
goto next_command;
}
if (p[len+1] && (p[len+1] != ' ' && p[len+1] != '\t')) {
- fprintf (stderr, "guestfish: command arguments not separated by whitespace\n");
- if (!prompt) exit (1);
+ fprintf (stderr, _("guestfish: command arguments not separated by whitespace\n"));
+ if (exit_on_error) exit (1);
goto next_command;
}
p[len] = '\0';
pend++;
}
if (c != 0) {
- fprintf (stderr, "guestfish: unterminated \"[...]\" sequence\n");
- if (!prompt) exit (1);
+ fprintf (stderr, _("guestfish: unterminated \"[...]\" sequence\n"));
+ if (exit_on_error) exit (1);
goto next_command;
}
if (*pend && (*pend != ' ' && *pend != '\t')) {
- fprintf (stderr, "guestfish: command arguments not separated by whitespace\n");
- if (!prompt) exit (1);
+ fprintf (stderr, _("guestfish: command arguments not separated by whitespace\n"));
+ if (exit_on_error) exit (1);
goto next_command;
}
*(pend-1) = '\0';
} else
pend = &p[len];
} else {
- fprintf (stderr, "guestfish: internal error parsing string at '%s'\n",
+ fprintf (stderr, _("guestfish: internal error parsing string at '%s'\n"),
p);
abort ();
}
}
if (i == sizeof argv / sizeof argv[0]) {
- fprintf (stderr, "guestfish: too many arguments\n");
- if (!prompt) exit (1);
+ fprintf (stderr, _("guestfish: too many arguments\n"));
+ if (exit_on_error) exit (1);
goto next_command;
}
got_command:
if (issue_command (cmd, argv) == -1) {
- if (!prompt) exit (1);
+ if (exit_on_error) exit (1);
}
next_command:;
cmd = argv[optind++];
if (strcmp (cmd, ":") == 0) {
- fprintf (stderr, "guestfish: empty command on command line\n");
+ fprintf (stderr, _("guestfish: empty command on command line\n"));
exit (1);
}
params = &argv[optind];
strcasecmp (cmd, "vi") == 0 ||
strcasecmp (cmd, "emacs") == 0)
return do_edit (cmd, argc, argv);
+ else if (strcasecmp (cmd, "lcd") == 0)
+ return do_lcd (cmd, argc, argv);
else
return run_action (cmd, argc, argv);
}
{
/* help and quit should appear at the top */
printf ("%-20s %s\n",
- "help", "display a list of commands or help on a command");
+ "help", _("display a list of commands or help on a command"));
printf ("%-20s %s\n",
- "quit", "quit guestfish");
+ "quit", _("quit guestfish"));
printf ("%-20s %s\n",
- "alloc", "allocate an image");
+ "alloc", _("allocate an image"));
+ printf ("%-20s %s\n",
+ "echo", _("display a line of text"));
printf ("%-20s %s\n",
- "echo", "display a line of text");
+ "edit", _("edit a file in the image"));
printf ("%-20s %s\n",
- "edit", "edit a file in the image");
+ "lcd", _("local change directory"));
/* actions are printed after this (see list_commands) */
}
if (strcasecmp (cmd, "alloc") == 0 ||
strcasecmp (cmd, "allocate") == 0)
- printf ("alloc - allocate an image\n"
- " alloc <filename> <size>\n"
- "\n"
- " This creates an empty (zeroed) file of the given size,\n"
- " and then adds so it can be further examined.\n"
- "\n"
- " For more advanced image creation, see qemu-img utility.\n"
- "\n"
- " Size can be specified (where <nn> means a number):\n"
- " <nn> number of kilobytes\n"
- " eg: 1440 standard 3.5\" floppy\n"
- " <nn>K or <nn>KB number of kilobytes\n"
- " <nn>M or <nn>MB number of megabytes\n"
- " <nn>G or <nn>GB number of gigabytes\n"
- " <nn>sects number of 512 byte sectors\n");
+ printf (_("alloc - allocate an image\n"
+ " alloc <filename> <size>\n"
+ "\n"
+ " This creates an empty (zeroed) file of the given size,\n"
+ " and then adds so it can be further examined.\n"
+ "\n"
+ " For more advanced image creation, see qemu-img utility.\n"
+ "\n"
+ " Size can be specified (where <nn> means a number):\n"
+ " <nn> number of kilobytes\n"
+ " eg: 1440 standard 3.5\" floppy\n"
+ " <nn>K or <nn>KB number of kilobytes\n"
+ " <nn>M or <nn>MB number of megabytes\n"
+ " <nn>G or <nn>GB number of gigabytes\n"
+ " <nn>sects number of 512 byte sectors\n"));
else if (strcasecmp (cmd, "echo") == 0)
- printf ("echo - display a line of text\n"
- " echo [<params> ...]\n"
- "\n"
- " This echos the parameters to the terminal.\n");
+ printf (_("echo - display a line of text\n"
+ " echo [<params> ...]\n"
+ "\n"
+ " This echos the parameters to the terminal.\n"));
else if (strcasecmp (cmd, "edit") == 0 ||
strcasecmp (cmd, "vi") == 0 ||
strcasecmp (cmd, "emacs") == 0)
- printf ("edit - edit a file in the image\n"
- " edit <filename>\n"
- "\n"
- " This is used to edit a file.\n"
- "\n"
- " It is the equivalent of (and is implemented by)\n"
- " running \"cat\", editing locally, and then \"write-file\".\n"
- "\n"
- " Normally it uses $EDITOR, but if you use the aliases\n"
- " \"vi\" or \"emacs\" you will get those editors.\n"
- "\n"
- " NOTE: This will not work reliably for large files\n"
- " (> 2 MB) or binary files containing \\0 bytes.\n");
+ printf (_("edit - edit a file in the image\n"
+ " edit <filename>\n"
+ "\n"
+ " This is used to edit a file.\n"
+ "\n"
+ " It is the equivalent of (and is implemented by)\n"
+ " running \"cat\", editing locally, and then \"write-file\".\n"
+ "\n"
+ " Normally it uses $EDITOR, but if you use the aliases\n"
+ " \"vi\" or \"emacs\" you will get those editors.\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, "lcd") == 0)
+ printf (_("lcd - local change directory\n"
+ " lcd <directory>\n"
+ "\n"
+ " Change guestfish's current directory. This command is\n"
+ " useful if you want to download files to a particular\n"
+ " place.\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");
+ 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");
+ printf (_("quit - quit guestfish\n"
+ " quit\n"));
else
- fprintf (stderr, "%s: command not known, use -h to list all commands\n",
+ fprintf (stderr, _("%s: command not known, use -h to list all commands\n"),
cmd);
}