frontend: Allow use of new zone machinery.

New options --subnet declares preferred subnets and --directory sets an
output directory.  Also --feature inserts a keyword into *features* for
use by #+/#- reader macros in zone files.

diff --git a/frontend.lisp b/frontend.lisp
index 5241be0..ef9c090 100644 (file)
--- a/frontend.lisp
+++ b/frontend.lisp
@@ -31,11 +31,29 @@
 (defvar opt-zones nil
   "Which zones to be emitted.")
 
 (defvar opt-zones nil
   "Which zones to be emitted.")
 

+(eval-when (:compile-toplevel :load-toplevel)
+  (defopthandler dir (var arg) ()
+    (let ((path (probe-file arg)))
+      (if (and path
+              (not (pathname-name path)))
+         (setf var path)
+         (option-parse-error "path `~A' doesn't name a directory." arg)))))
+

 (define-program
     :version "1.0.0" :usage "ZONEDEF..."
     :help "Generates BIND zone files from Lisp descriptions."
     :options (options help-options
 (define-program
     :version "1.0.0" :usage "ZONEDEF..."
     :help "Generates BIND zone files from Lisp descriptions."
     :options (options help-options

+                     "Parsing options"
+                     (#\f "feature" (:arg "KEYWORD")
+                          (list *features* 'keyword)
+                          "Insert KEYWORD in *features* list.")
+                     (#\s "subnet" (:arg "NET")
+                          (list zone:*preferred-subnets*)
+                          "Designate NET as a preferred subnet.")

                      "Output options"
                      "Output options"

+                     (#\d "directory" (:arg "DIRECTORY")
+                          (dir *zone-output-path*)
+                          "Write zone and serial files to DIRECTORY.")

                      (#\z "zone" (:arg "NAME") (list opt-zones)
                           "Write information about zone NAME.")))
 
                      (#\z "zone" (:arg "NAME") (list opt-zones)
                           "Write information about zone NAME.")))