X-Git-Url: http://gitweb.michael.orlitzky.com/?p=haeredes.git;a=blobdiff_plain;f=src%2FCommandLine.hs;h=2118f5911ec2c533128f5a5c41530348ca10c362;hp=39470b23106af79e3b0c69070679971c4ef2cabc;hb=95bd7958d5a3483ba2cbe232765138a7785b2429;hpb=228abb512bcd019b98d2b3fd7b7283f5ef14d1bc

diff --git a/src/CommandLine.hs b/src/CommandLine.hs
index 39470b2..2118f59 100644
--- a/src/CommandLine.hs
+++ b/src/CommandLine.hs
@@ -6,17 +6,37 @@ module CommandLine (
   )
 where
 
-import System.Console.CmdArgs
+import System.Console.CmdArgs (
+  Data,
+  Typeable,
+  (&=),
+  args,
+  auto,
+  cmdArgs,
+  def,
+  details,
+  explicit,
+  groupname,
+  help,
+  helpArg,
+  modes,
+  name,
+  program,
+  summary,
+  typ,
+  versionArg )
 
 -- Get the version from Cabal.
 import Paths_haeredes (version)
 import Data.Version (showVersion)
 
+-- | Description of the 'NS' mode.
 ns_description :: String
 ns_description =
   "Confirm delegation of NS records. " ++
   "This is the default mode."
 
+-- | Description of the 'MX' mode.
 mx_description :: String
 mx_description = "Confirm delegation of MX records."
 
@@ -26,14 +46,26 @@ program_name = "haeredes"
 my_summary :: String
 my_summary = program_name ++ "-" ++ (showVersion version)
 
+no_append_root_help :: String
+no_append_root_help =
+  "Don't append a trailing dot to DNS names"
+
+-- | Help string for the --server flag.
 server_help :: String
 server_help =
-  "IP address of server to query " ++
+  "IP address or hostname of server to query " ++
   "(will use resolv.conf if not specified)"
 
+-- | The Args type represents the possible command-line options. The
+--   duplication here seems necessary; CmdArgs' magic requires us to
+--   define some things explicitly.
 data Args =
-  NS { server :: Maybe String, delegates :: [String] } |
-  MX { server :: Maybe String, delegates :: [String] }
+  NS { no_append_root :: Bool,
+       server :: Maybe String,
+       delegates :: [String] } |
+  MX { no_append_root :: Bool,
+       server :: Maybe String,
+       delegates :: [String] }
   deriving (Data, Show, Typeable)
 
 arg_spec :: Args
@@ -50,23 +82,30 @@ arg_spec =
                    name "v",
                    groupname "Common flags"]
   where
-    -- The repetition here is necessary, some Template Haskell magic
-    -- going on.
+    -- The repetition here is necessary, some CmdArgs magic going on.
     ns :: Args
     ns = NS {
+           no_append_root = def
+                         &= groupname "Common flags"
+                         &= help no_append_root_help,
+
            server = def
-                  &= groupname "Common flags"
-                  &= typ "IP"
-                  &= help server_help,
+                 &= groupname "Common flags"
+                 &= typ "HOST"
+                 &= help server_help,
 
            delegates = def
-                     &= args
-                     &= typ "DELEGATES" }
+                    &= args
+                    &= typ "DELEGATES" }
 
             &= details [ns_description]
 
     mx :: Args
     mx = MX {
+           no_append_root = def
+                         &= groupname "Common flags"
+                         &= help no_append_root_help,
+
            server = def
                  &= groupname "Common flags"
                  &= typ "IP"