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"
- " guestfish -i libvirt-domain\n"
- " guestfish -i disk-image(s)\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"
- " -D|--no-dest-paths Don't tab-complete paths from guest fs\n"
- " -f|--file file Read commands from file\n"
- " -i|--inspector Run virt-inspector to get disk mountpoints\n"
- " --listen Listen for remote commands\n"
- " -m|--mount dev[:mnt] Mount dev on mnt (if omitted, /)\n"
- " -n|--no-sync Don't autosync\n"
- " --remote[=pid] Send commands to remote guestfish\n"
- " -r|--ro Mount read-only\n"
- " -v|--verbose Verbose messages\n"
- " -x Echo each command before executing it\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"
+ " guestfish -i libvirt-domain\n"
+ " guestfish -i disk-image(s)\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"
+ " -D|--no-dest-paths Don't tab-complete paths from guest fs\n"
+ " -f|--file file Read commands from file\n"
+ " -i|--inspector Run virt-inspector to get disk mountpoints\n"
+ " --listen Listen for remote commands\n"
+ " -m|--mount dev[:mnt] Mount dev on mnt (if omitted, /)\n"
+ " -n|--no-sync Don't autosync\n"
+ " --remote[=pid] Send commands to remote guestfish\n"
+ " -r|--ro Mount read-only\n"
+ " -v|--verbose Verbose messages\n"
+ " -x Echo each command before executing it\n"
+ " -V|--version Display version and exit\n"
+ "For more information, see the manpage guestfish(1).\n"));
}
int
switch (c) {
case 0: /* options which are long only */
if (strcmp (long_options[option_index].name, "listen") == 0)
- remote_control_listen = 1;
+ remote_control_listen = 1;
else if (strcmp (long_options[option_index].name, "remote") == 0) {
- if (optarg) {
- if (sscanf (optarg, "%d", &remote_control) != 1) {
- fprintf (stderr, _("guestfish: --listen=PID: PID was not a number: %s\n"), optarg);
- exit (1);
- }
- } else {
- p = getenv ("GUESTFISH_PID");
- if (!p || sscanf (p, "%d", &remote_control) != 1) {
- fprintf (stderr, _("guestfish: remote: $GUESTFISH_PID must be set to the PID of the remote process\n"));
- exit (1);
- }
- }
+ if (optarg) {
+ if (sscanf (optarg, "%d", &remote_control) != 1) {
+ fprintf (stderr, _("guestfish: --listen=PID: PID was not a number: %s\n"), optarg);
+ exit (1);
+ }
+ } else {
+ p = getenv ("GUESTFISH_PID");
+ if (!p || sscanf (p, "%d", &remote_control) != 1) {
+ fprintf (stderr, _("guestfish: remote: $GUESTFISH_PID must be set to the PID of the remote process\n"));
+ exit (1);
+ }
+ }
} else {
- fprintf (stderr, _("guestfish: unknown long option: %s (%d)\n"),
- long_options[option_index].name, option_index);
- exit (1);
+ fprintf (stderr, _("guestfish: unknown long option: %s (%d)\n"),
+ long_options[option_index].name, option_index);
+ exit (1);
}
break;
case 'a':
if (access (optarg, R_OK) != 0) {
- perror (optarg);
- exit (1);
+ perror (optarg);
+ exit (1);
}
drv = malloc (sizeof (struct drv));
if (!drv) {
case 'f':
if (file) {
- fprintf (stderr, _("guestfish: only one -f parameter can be given\n"));
- exit (1);
+ fprintf (stderr, _("guestfish: only one -f parameter can be given\n"));
+ exit (1);
}
file = optarg;
break;
case 'h':
if (optarg)
- display_command (optarg);
+ display_command (optarg);
else if (argv[optind] && argv[optind][0] != '-')
- display_command (argv[optind++]);
+ display_command (argv[optind++]);
else
- list_commands ();
+ list_commands ();
exit (0);
case 'i':
case 'm':
mp = malloc (sizeof (struct mp));
if (!mp) {
- perror ("malloc");
- exit (1);
+ perror ("malloc");
+ exit (1);
}
p = strchr (optarg, ':');
if (p) {
- *p = '\0';
- mp->mountpoint = p+1;
+ *p = '\0';
+ mp->mountpoint = p+1;
} else
- mp->mountpoint = "/";
+ mp->mountpoint = "/";
mp->device = optarg;
mp->next = mps;
mps = mp;
default:
fprintf (stderr, _("guestfish: unexpected command line option 0x%x\n"),
- c);
+ c);
exit (1);
}
}
strcpy (cmd, "a=`virt-inspector");
while (optind < argc) {
if (strlen (cmd) + strlen (argv[optind]) + strlen (argv[0]) + 60
- >= sizeof cmd) {
- fprintf (stderr, _("guestfish: virt-inspector command too long for fixed-size buffer\n"));
- exit (1);
+ >= sizeof cmd) {
+ fprintf (stderr, _("guestfish: virt-inspector command too long for fixed-size buffer\n"));
+ exit (1);
}
strcat (cmd, " '");
strcat (cmd, argv[optind]);
if (verbose)
fprintf (stderr,
- "guestfish -i: running virt-inspector command:\n%s\n", cmd);
+ "guestfish -i: running virt-inspector command:\n%s\n", cmd);
r = system (cmd);
if (r == -1) {
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"));
+ "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) {
char *pipe = NULL;
r = system (buf+1);
if (exit_on_error) {
- if (r == -1 ||
- (WIFSIGNALED (r) &&
- (WTERMSIG (r) == SIGINT || WTERMSIG (r) == SIGQUIT)) ||
- WEXITSTATUS (r) != 0)
- exit (1);
+ if (r == -1 ||
+ (WIFSIGNALED (r) &&
+ (WTERMSIG (r) == SIGINT || WTERMSIG (r) == SIGQUIT)) ||
+ WEXITSTATUS (r) != 0)
+ exit (1);
}
continue;
}
* specially. Bare parameters are delimited by whitespace.
*/
if (*p == '"') {
- p++;
- len = strcspn (p, "\"");
- if (p[len] == '\0') {
- 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 (exit_on_error) exit (1);
- goto next_command;
- }
- p[len] = '\0';
- pend = p[len+1] ? &p[len+2] : &p[len+1];
+ p++;
+ len = strcspn (p, "\"");
+ if (p[len] == '\0') {
+ 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 (exit_on_error) exit (1);
+ goto next_command;
+ }
+ p[len] = '\0';
+ pend = p[len+1] ? &p[len+2] : &p[len+1];
} else if (*p == '\'') {
- p++;
- len = strcspn (p, "'");
- if (p[len] == '\0') {
- 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 (exit_on_error) exit (1);
- goto next_command;
- }
- p[len] = '\0';
- pend = p[len+1] ? &p[len+2] : &p[len+1];
+ p++;
+ len = strcspn (p, "'");
+ if (p[len] == '\0') {
+ 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 (exit_on_error) exit (1);
+ goto next_command;
+ }
+ p[len] = '\0';
+ pend = p[len+1] ? &p[len+2] : &p[len+1];
} else if (*p == '|') {
- *p = '\0';
- pipe = p+1;
- continue;
- /*
+ *p = '\0';
+ pipe = p+1;
+ continue;
+ /*
} else if (*p == '[') {
- int c = 1;
- p++;
- pend = p;
- while (*pend && c != 0) {
- if (*pend == '[') c++;
- else if (*pend == ']') c--;
- pend++;
- }
- if (c != 0) {
- 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 (exit_on_error) exit (1);
- goto next_command;
- }
- *(pend-1) = '\0';
- */
+ int c = 1;
+ p++;
+ pend = p;
+ while (*pend && c != 0) {
+ if (*pend == '[') c++;
+ else if (*pend == ']') c--;
+ pend++;
+ }
+ if (c != 0) {
+ 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 (exit_on_error) exit (1);
+ goto next_command;
+ }
+ *(pend-1) = '\0';
+ */
} else if (*p != ' ' && *p != '\t') {
- /* If the first character is a ~ then note that this parameter
- * is a candidate for ~username expansion. NB this does not
- * apply to quoted parameters.
- */
- tilde_candidate = *p == '~';
- len = strcspn (p, " \t");
- if (p[len]) {
- p[len] = '\0';
- pend = &p[len+1];
- } else
- pend = &p[len];
+ /* If the first character is a ~ then note that this parameter
+ * is a candidate for ~username expansion. NB this does not
+ * apply to quoted parameters.
+ */
+ tilde_candidate = *p == '~';
+ len = strcspn (p, " \t");
+ if (p[len]) {
+ p[len] = '\0';
+ pend = &p[len+1];
+ } else
+ pend = &p[len];
} else {
- fprintf (stderr, _("guestfish: internal error parsing string at '%s'\n"),
- p);
- abort ();
+ fprintf (stderr, _("guestfish: internal error parsing string at '%s'\n"),
+ p);
+ abort ();
}
if (!tilde_candidate)
- argv[i] = p;
+ argv[i] = p;
else
- argv[i] = try_tilde_expansion (p);
+ argv[i] = try_tilde_expansion (p);
i++;
p = pend;
if (*p)
- p += strspn (p, " \t");
+ p += strspn (p, " \t");
}
if (i == sizeof argv / sizeof argv[0]) {
r = system (pipecmd);
if (r == -1) {
- perror (pipecmd);
- _exit (1);
+ perror (pipecmd);
+ _exit (1);
}
_exit (WEXITSTATUS (r));
}
r = 0;
}
else if (strcasecmp (cmd, "quit") == 0 ||
- strcasecmp (cmd, "exit") == 0 ||
- strcasecmp (cmd, "q") == 0) {
+ strcasecmp (cmd, "exit") == 0 ||
+ strcasecmp (cmd, "q") == 0) {
quit = 1;
r = 0;
}
else if (strcasecmp (cmd, "alloc") == 0 ||
- strcasecmp (cmd, "allocate") == 0)
+ strcasecmp (cmd, "allocate") == 0)
r = do_alloc (cmd, argc, argv);
else if (strcasecmp (cmd, "echo") == 0)
r = do_echo (cmd, argc, argv);
else if (strcasecmp (cmd, "edit") == 0 ||
- strcasecmp (cmd, "vi") == 0 ||
- strcasecmp (cmd, "emacs") == 0)
+ strcasecmp (cmd, "vi") == 0 ||
+ strcasecmp (cmd, "emacs") == 0)
r = do_edit (cmd, argc, argv);
else if (strcasecmp (cmd, "lcd") == 0)
r = do_lcd (cmd, argc, argv);
else if (strcasecmp (cmd, "glob") == 0)
r = do_glob (cmd, argc, argv);
else if (strcasecmp (cmd, "more") == 0 ||
- strcasecmp (cmd, "less") == 0)
+ strcasecmp (cmd, "less") == 0)
r = do_more (cmd, argc, argv);
else if (strcasecmp (cmd, "reopen") == 0)
r = do_reopen (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"));
+ "echo", _("display a line of text"));
printf ("%-20s %s\n",
- "edit", _("edit a file in the image"));
+ "edit", _("edit a file in the image"));
printf ("%-20s %s\n",
- "lcd", _("local change directory"));
+ "lcd", _("local change directory"));
printf ("%-20s %s\n",
- "glob", _("expand wildcards in command"));
+ "glob", _("expand wildcards in command"));
printf ("%-20s %s\n",
- "more", _("view a file in the pager"));
+ "more", _("view a file in the pager"));
printf ("%-20s %s\n",
- "reopen", _("close and reopen libguestfs handle"));
+ "reopen", _("close and reopen libguestfs handle"));
printf ("%-20s %s\n",
- "time", _("measure time taken to run command"));
+ "time", _("measure time taken to run command"));
/* 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"));
+ " 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"));
+
" 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)
+ 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"));
+ " 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"));
+ " 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, "glob") == 0)
printf (_("glob - expand wildcards in command\n"
- " glob <command> [<args> ...]\n"
- "\n"
- " 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"));
+
" glob <command> [<args> ...]\n"
+ "\n"
+ " 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"));
+ " help cmd\n"
+ " help\n"));
else if (strcasecmp (cmd, "more") == 0 ||
- strcasecmp (cmd, "less") == 0)
+ strcasecmp (cmd, "less") == 0)
printf (_("more - view a file in the pager\n"
- " more <filename>\n"
- "\n"
- " This is used to view a file in the pager.\n"
- "\n"
- " It is the equivalent of (and is implemented by)\n"
- " running \"cat\" and using the pager.\n"
- "\n"
- " Normally it uses $PAGER, but if you use the alias\n"
- " \"less\" then it always uses \"less\".\n"
- "\n"
- " NOTE: This will not work reliably for large files\n"
- " (> 2 MB) or binary files containing \\0 bytes.\n"));
+ " more <filename>\n"
+ "\n"
+ " This is used to view a file in the pager.\n"
+ "\n"
+ " It is the equivalent of (and is implemented by)\n"
+ " running \"cat\" and using the pager.\n"
+ "\n"
+ " Normally it uses $PAGER, but if you use the alias\n"
+ " \"less\" then it always uses \"less\".\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, "quit") == 0 ||
- strcasecmp (cmd, "exit") == 0 ||
- strcasecmp (cmd, "q") == 0)
+ strcasecmp (cmd, "exit") == 0 ||
+ strcasecmp (cmd, "q") == 0)
printf (_("quit - quit guestfish\n"
- " quit\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"));
+ " 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"
- "\n"
- " This runs <command> as usual, and prints the elapsed\n"
- " time afterwards.\n"));
+
" time <command> [<args> ...]\n"
+ "\n"
+ " This runs <command> as usual, and prints the elapsed\n"
+ " time afterwards.\n"));
else
fprintf (stderr, _("%s: command not known, use -h to list all commands\n"),
- cmd);
+ cmd);
}
void
git.annexia.org / libguestfs.git / blobdiff