Don't descend in paths that are symlinks

This is also what tar does. If you do descend you run into
trouble because the named directory is not created, and
hence all files that are supposed to be created inthere will fail.

Author: miekg

ChangeLog

@@ -1,7 +1,8 @@
 xx Feb 2010: 1.1.1 Miek Gieben <rdup@miek>
     * Skip gpg test when gpg is not found (Tom)
     * Rename strmode() to rdup_strmode for FreeBSD (Charlie Kester)
-    * Fix when toplevel directory is a symlink (Charlie Kester)
+    * Dont descend when toplevel directory is a symlink (same behavoir
+      as Gnu tar)
 
 
 24 Jan 2010: 1.1.0 Miek Gieben <[email protected]>

crawler.c

@@ -82,6 +82,13 @@ dir_prepend(GTree *t, char *path, GHashTable *u, GHashTable *g)
 			e.f_target = slink(&e);
 			e.f_size = e.f_name_size;
 			e.f_name_size += 4 + strlen(e.f_target);
+			/* When we encounter a symlink on this level, it is very hard to make this
+			 * backup work, because the target may fall out of the backup. If this
+			 * is the case the entire backup fails. Gnu tar only show the symlink
+			 * and then stops. We do now the same, heance the return FALSE
+			 */
+			g_tree_insert(t, (gpointer) entry_dup(&e), VALUE);
+			return FALSE;
 		}
 
 		g_tree_insert(t, (gpointer) entry_dup(&e), VALUE);