#include "closeout.h"
#include "progname.h"
+struct drv {
+ struct drv *next;
+ char *filename; /* disk filename (for -a or -N options) */
+ prep_data *data; /* prepared type (for -N option only) */
+ char *device; /* device inside the appliance */
+};
+
struct mp {
struct mp *next;
char *device;
char *mountpoint;
};
-struct drv {
- struct drv *next;
- char *filename;
-};
-
static void add_drives (struct drv *drv);
+static void prepare_drives (struct drv *drv);
static void mount_mps (struct mp *mp);
+static int launch (void);
static void interactive (void);
static void shell_script (void);
static void script (int prompt);
int read_only = 0;
int quit = 0;
int verbose = 0;
-int echo_commands = 0;
int remote_control_listen = 0;
int remote_control = 0;
int exit_on_error = 1;
int command_num = 0;
-int
-launch (guestfs_h *_g)
-{
- assert (_g == g);
-
- if (guestfs_is_config (g)) {
- if (guestfs_launch (g) == -1)
- return -1;
- }
- return 0;
-}
-
static void __attribute__((noreturn))
usage (int status)
{
" --listen Listen for remote commands\n"
" -m|--mount dev[:mnt] Mount dev on mnt (if omitted, /)\n"
" -n|--no-sync Don't autosync\n"
+ " -N|--new type Create prepared disk (test1.img, ...)\n"
" --remote[=pid] Send commands to remote %s\n"
" -r|--ro Mount read-only\n"
" --selinux Enable SELinux support\n"
enum { HELP_OPTION = CHAR_MAX + 1 };
- static const char *options = "a:Df:h::im:nrv?Vx";
+ static const char *options = "a:Df:h::im:nN:rv?Vx";
static const struct option long_options[] = {
{ "add", 1, 0, 'a' },
{ "cmd-help", 2, 0, 'h' },
{ "inspector", 0, 0, 'i' },
{ "listen", 0, 0, 0 },
{ "mount", 1, 0, 'm' },
+ { "new", 1, 0, 'N' },
{ "no-dest-paths", 0, 0, 'D' },
{ "no-sync", 0, 0, 'n' },
{ "remote", 2, 0, 0 },
int inspector = 0;
int option_index;
struct sigaction sa;
+ char next_drive = 'a';
+ int next_prepared_drive = 1;
initialize_readline ();
exit (EXIT_FAILURE);
}
drv->filename = optarg;
+ drv->data = NULL;
+ /* We could fill the device field in, but in fact we
+ * only use it for the -N option at present.
+ */
+ drv->device = NULL;
+ drv->next = drvs;
+ drvs = drv;
+ next_drive++;
+ break;
+
+ case 'N':
+ if (STRCASEEQ (optarg, "list")) {
+ list_prepared_drives ();
+ exit (EXIT_SUCCESS);
+ }
+ drv = malloc (sizeof (struct drv));
+ if (!drv) {
+ perror ("malloc");
+ exit (EXIT_FAILURE);
+ }
+ if (asprintf (&drv->filename, "test%d.img",
+ next_prepared_drive++) == -1) {
+ perror ("asprintf");
+ exit (EXIT_FAILURE);
+ }
+ drv->data = create_prepared_file (optarg, drv->filename);
+ if (asprintf (&drv->device, "/dev/sd%c", next_drive++) == -1) {
+ perror ("asprintf");
+ exit (EXIT_FAILURE);
+ }
drv->next = drvs;
drvs = drv;
break;
exit (EXIT_SUCCESS);
case 'x':
- echo_commands = 1;
+ guestfs_set_trace (g, 1);
break;
case HELP_OPTION:
if (drvs || mps || remote_control_listen || remote_control ||
guestfs_get_selinux (g)) {
- fprintf (stderr, _("%s: cannot use -i option with -a, -m,"
- " --listen, --remote or --selinux\n"),
+ fprintf (stderr, _("%s: cannot use -i option with -a, -m, -N, "
+ "--listen, --remote or --selinux\n"),
program_name);
exit (EXIT_FAILURE);
}
/* 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 (EXIT_FAILURE);
+ /* If we've got mountpoints or prepared drives, we must launch the
+ * guest and mount them.
+ */
+ if (next_prepared_drive > 1 || mps != NULL) {
+ if (launch () == -1) exit (EXIT_FAILURE);
+ prepare_drives (drvs);
mount_mps (mps);
}
if (drv) {
add_drives (drv->next);
- if (!read_only)
+
+ if (drv->data /* -N option is not affected by --ro */ || !read_only)
r = guestfs_add_drive (g, drv->filename);
else
r = guestfs_add_drive_ro (g, drv->filename);
}
static void
+prepare_drives (struct drv *drv)
+{
+ if (drv) {
+ prepare_drives (drv->next);
+ if (drv->data)
+ prepare_drive (drv->filename, drv->data, drv->device);
+ }
+}
+
+static int
+launch (void)
+{
+ if (guestfs_is_config (g)) {
+ if (guestfs_launch (g) == -1)
+ return -1;
+ }
+ return 0;
+}
+
+static void
interactive (void)
{
script (1);
"Welcome to guestfish, the libguestfs filesystem interactive shell for\n"
"editing virtual machine filesystems.\n"
"\n"
- "Type: 'help' for help with commands\n"
+ "Type: 'help' for a list of commands\n"
+ " 'man' to read the manual\n"
" 'quit' to quit the shell\n"
"\n"));
/* This counts the commands issued, starting at 1. */
command_num++;
- if (echo_commands) {
- printf ("%s", cmd);
- for (i = 0; argv[i] != NULL; ++i)
- printf (" %s", argv[i]);
- printf ("\n");
- }
-
/* For | ... commands. Annoyingly we can't use popen(3) here. */
if (pipecmd) {
int fd[2];
r = do_lcd (cmd, argc, argv);
else if (STRCASEEQ (cmd, "glob"))
r = do_glob (cmd, argc, argv);
+ else if (STRCASEEQ (cmd, "man") ||
+ STRCASEEQ (cmd, "manual"))
+ r = do_man (cmd, argc, argv);
else if (STRCASEEQ (cmd, "more") ||
STRCASEEQ (cmd, "less"))
r = do_more (cmd, argc, argv);
void
list_builtin_commands (void)
{
- /* help and quit should appear at the top */
+ /* help, man and quit should appear at the top */
printf ("%-20s %s\n",
"help", _("display a list of commands or help on a command"));
printf ("%-20s %s\n",
+ "man", _("read the manual"));
+ printf ("%-20s %s\n",
"quit", _("quit guestfish"));
printf ("%-20s %s\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 (STRCASEEQ (cmd, "man") ||
+ STRCASEEQ (cmd, "manual"))
+ printf (_("man - read the manual\n"
+ " man\n"
+ "\n"
+ " Opens the manual page for guestfish.\n"));
else if (STRCASEEQ (cmd, "help"))
printf (_("help - display a list of commands or help on a command\n"
" help cmd\n"