reorganize some files and imports

CmdLine/Option.hs

@@ -0,0 +1,77 @@
+{- common command-line options
+ -
+ - Copyright 2010-2011 Joey Hess <joey@kitenet.net>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+module CmdLine.Option (
+	commonOptions,
+	matcherOptions,
+	flagOption,
+	fieldOption,
+	optionName,
+	ArgDescr(..),
+	OptDescr(..),
+) where
+
+import System.Console.GetOpt
+
+import Common.Annex
+import qualified Annex
+import Types.Messages
+import Limit
+import CmdLine.Usage
+
+commonOptions :: [Option]
+commonOptions =
+	[ Option [] ["force"] (NoArg (setforce True))
+		"allow actions that may lose annexed data"
+	, Option ['F'] ["fast"] (NoArg (setfast True))
+		"avoid slow operations"
+	, Option ['a'] ["auto"] (NoArg (setauto True))
+		"automatic mode"
+	, Option ['q'] ["quiet"] (NoArg (Annex.setOutput QuietOutput))
+		"avoid verbose output"
+	, Option ['v'] ["verbose"] (NoArg (Annex.setOutput NormalOutput))
+		"allow verbose output (default)"
+	, Option ['d'] ["debug"] (NoArg setdebug)
+		"show debug messages"
+	, Option [] ["no-debug"] (NoArg unsetdebug)
+		"don't show debug messages"
+	, Option ['b'] ["backend"] (ReqArg setforcebackend paramName)
+		"specify key-value backend to use"
+	]
+  where
+	setforce v = Annex.changeState $ \s -> s { Annex.force = v }
+	setfast v = Annex.changeState $ \s -> s { Annex.fast = v }
+	setauto v = Annex.changeState $ \s -> s { Annex.auto = v }
+	setforcebackend v = Annex.changeState $ \s -> s { Annex.forcebackend = Just v }
+	setdebug = Annex.changeGitConfig $ \c -> c { annexDebug = True }
+	unsetdebug = Annex.changeGitConfig $ \c -> c { annexDebug = False }
+
+matcherOptions :: [Option]
+matcherOptions =
+	[ longopt "not" "negate next option"
+	, longopt "and" "both previous and next option must match"
+	, longopt "or" "either previous or next option must match"
+	, shortopt "(" "open group of options"
+	, shortopt ")" "close group of options"
+	]
+  where
+	longopt o = Option [] [o] $ NoArg $ addToken o
+	shortopt o = Option o [] $ NoArg $ addToken o
+
+{- An option that sets a flag. -}
+flagOption :: String -> String -> String -> Option
+flagOption short opt description = 
+	Option short [opt] (NoArg (Annex.setFlag opt)) description
+
+{- An option that sets a field. -}
+fieldOption :: String -> String -> String -> String -> Option
+fieldOption short opt paramdesc description = 
+	Option short [opt] (ReqArg (Annex.setField opt) paramdesc) description
+
+{- The flag or field name used for an option. -}
+optionName :: Option -> String
+optionName (Option _ o _ _) = Prelude.head o