Added 'lcd' command to guestfish.

4 files changed, 63 insertions, 2 deletions

diff --git a/fish/Makefile.am b/fish/Makefile.am
index b3782eca..5f888946 100644
--- a/fish/Makefile.am
+++ b/fish/Makefile.am
@@ -24,7 +24,9 @@ guestfish_SOURCES = \
 	echo.c \
 	edit.c \
 	fish.c \
-	fish.h
+	fish.h \
+	lcd.c
+
 guestfish_CFLAGS = \
 	-I$(top_builddir)/src -Wall \
 	-DGUESTFS_DEFAULT_PATH='"$(libdir)/guestfs"'
diff --git a/fish/fish.c b/fish/fish.c
index 96c1a816..da2d6d21 100644
--- a/fish/fish.c
+++ b/fish/fish.c
@@ -593,6 +593,8 @@ issue_command (const char *cmd, char *argv[])
 	   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);
 }
@@ -612,6 +614,8 @@ list_builtin_commands (void)
 	  "echo", _("display a line of text"));
   printf ("%-20s %s\n",
 	  "edit", _("edit a file in the image"));
+  printf ("%-20s %s\n",
+	  "lcd", _("local change directory"));
 
   /* actions are printed after this (see list_commands) */
 }
@@ -659,6 +663,13 @@ display_builtin_command (const char *cmd)
 	      "\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"
diff --git a/fish/fish.h b/fish/fish.h
index 13a2e5c4..0dd1fc2e 100644
--- a/fish/fish.h
+++ b/fish/fish.h
@@ -61,6 +61,9 @@ extern int do_echo (const char *cmd, int argc, char *argv[]);
 /* in edit.c */
 extern int do_edit (const char *cmd, int argc, char *argv[]);
 
+/* in lcd.c */
+extern int do_lcd (const char *cmd, int argc, char *argv[]);
+
 /* This should just list all the built-in commands so they can
  * be added to the generated auto-completion code.
  */
@@ -69,6 +72,7 @@ extern int do_edit (const char *cmd, int argc, char *argv[]);
   "quit", "exit", "q", \
   "alloc", "allocate", \
   "echo", \
-  "edit", "vi", "emacs"
+  "edit", "vi", "emacs" \
+  "lcd"
 
 #endif /* FISH_H */
diff --git a/fish/lcd.c b/fish/lcd.c
new file mode 100644
index 00000000..359d178e
--- /dev/null
+++ b/fish/lcd.c
@@ -0,0 +1,44 @@
+/* guestfish - the filesystem interactive shell
+ * Copyright (C) 2009 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"
+
+/* guestfish lcd command (similar to the lcd command in BSD ftp) */
+
+int
+do_lcd (const char *cmd, int argc, char *argv[])
+{
+  if (argc != 1) {
+    fprintf (stderr, _("use 'lcd directory' to change local directory\n"));
+    return -1;
+  }
+
+  if (chdir (argv[0]) == -1) {
+    perror (argv[0]);
+    return -1;
+  }
+
+  return 0;
+}