fish: Make 'launch' function static.

[libguestfs.git] / fish / fish.c

diff --git a/fish/fish.c b/fish/fish.c
index 4a7e70b..461f55b 100644 (file)
--- a/fish/fish.c
+++ b/fish/fish.c
@@ -58,6 +58,7 @@ struct mp {
 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);
@@ -72,24 +73,11 @@ guestfs_h *g;
 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)
 {
@@ -361,7 +349,7 @@ main (int argc, char *argv[])
       exit (EXIT_SUCCESS);
 
     case 'x':
-      echo_commands = 1;
+      guestfs_set_trace (g, 1);
       break;
 
     case HELP_OPTION:
@@ -437,7 +425,7 @@ main (int argc, char *argv[])
    * guest and mount them.
    */
   if (next_prepared_drive > 1 || mps != NULL) {
-    if (launch (g) == -1) exit (EXIT_FAILURE);
+    if (launch () == -1) exit (EXIT_FAILURE);
     prepare_drives (drvs);
     mount_mps (mps);
   }
@@ -550,8 +538,19 @@ prepare_drives (struct drv *drv)
 {
   if (drv) {
     prepare_drives (drv->next);
-    prepare_drive (drv->filename, drv->data, drv->device);
+    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
@@ -621,7 +620,8 @@ script (int prompt)
               "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"));
 
@@ -855,13 +855,6 @@ issue_command (const char *cmd, char *argv[], const char *pipecmd)
   /* 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];
@@ -942,6 +935,9 @@ issue_command (const char *cmd, char *argv[], const char *pipecmd)
     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);
@@ -981,10 +977,12 @@ issue_command (const char *cmd, char *argv[], const char *pipecmd)
 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",
@@ -1069,6 +1067,12 @@ display_builtin_command (const char *cmd)
               "    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"