fish: Make the 'help' command more helpful.

[libguestfs.git] / fish / help.c

diff --git a/fish/help.c b/fish/help.c
new file mode 100644 (file)
index 0000000..47609e9
--- /dev/null
+++ b/fish/help.c
@@ -0,0 +1,58 @@
+/* guestfish - the filesystem interactive shell
+ * Copyright (C) 2010 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"
+
+/* The "help" command.  This used to just list all commands, but
+ * that's not very useful.  Instead display some useful
+ * context-sensitive help.  This could be improved if we knew how many
+ * drives had been added already, and whether anything was mounted.
+ */
+void
+display_help (void)
+{
+  if (guestfs_is_config (g))
+    printf (_(
+"Add disk images to examine using the -a or -d options, or the 'add' command.\n"
+"Or create a new disk image using -N, or the 'alloc' or 'sparse' commands.\n"
+"Once you have done this, use the 'run' command.\n"
+              ));
+  else
+    printf (_(
+"Find out what filesystems are available using 'list-filesystems' and then\n"
+"mount them to examine or modify the contents using 'mount-ro' or\n"
+"'mount-options'.\n"
+              ));
+
+  printf ("\n");
+
+  printf (_(
+"For more information about a command, use 'help cmd'.\n"
+"\n"
+"To read the manual, type 'man'.\n"
+            ));
+
+  printf ("\n");
+}