--- -----------------------------------------------------------------------------
--- The old command-line syntax, supported for backwards compatibility
-
-data OldFlag
- = OF_Config FilePath
- | OF_Input FilePath
- | OF_List
- | OF_ListLocal
- | OF_Add Bool {- True => replace existing info -}
- | OF_Remove String | OF_Show String
- | OF_Field String | OF_AutoGHCiLibs | OF_Force
- | OF_DefinedName String String
- | OF_GlobalConfig FilePath
- deriving (Eq)
-
-isAction :: OldFlag -> Bool
-isAction OF_Config{} = False
-isAction OF_Field{} = False
-isAction OF_Input{} = False
-isAction OF_AutoGHCiLibs{} = False
-isAction OF_Force{} = False
-isAction OF_DefinedName{} = False
-isAction OF_GlobalConfig{} = False
-isAction _ = True
-
-oldFlags :: [OptDescr OldFlag]
-oldFlags = [
- Option ['f'] ["config-file"] (ReqArg OF_Config "FILE")
- "use the specified package config file",
- Option ['l'] ["list-packages"] (NoArg OF_List)
- "list packages in all config files",
- Option ['L'] ["list-local-packages"] (NoArg OF_ListLocal)
- "list packages in the specified config file",
- Option ['a'] ["add-package"] (NoArg (OF_Add False))
- "add a new package",
- Option ['u'] ["update-package"] (NoArg (OF_Add True))
- "update package with new configuration",
- Option ['i'] ["input-file"] (ReqArg OF_Input "FILE")
- "read new package info from specified file",
- Option ['s'] ["show-package"] (ReqArg OF_Show "NAME")
- "show the configuration for package NAME",
- Option [] ["field"] (ReqArg OF_Field "FIELD")
- "(with --show-package) Show field FIELD only",
- Option [] ["force"] (NoArg OF_Force)
- "ignore missing directories/libraries",
- Option ['r'] ["remove-package"] (ReqArg OF_Remove "NAME")
- "remove an installed package",
- Option ['g'] ["auto-ghci-libs"] (NoArg OF_AutoGHCiLibs)
- "automatically build libs for GHCi (with -a)",
- Option ['D'] ["define-name"] (ReqArg toDefined "NAME=VALUE")
- "define NAME as VALUE",
- Option [] ["global-conf"] (ReqArg OF_GlobalConfig "FILE")
- "location of the global package config"
- ]
- where
- toDefined str =
- case break (=='=') str of
- (nm,[]) -> OF_DefinedName nm []
- (nm,_:val) -> OF_DefinedName nm val
-
-oldRunit :: [OldFlag] -> IO ()
-oldRunit clis = do
- let new_flags = [ f | Just f <- map conv clis ]
-
- conv (OF_GlobalConfig f) = Just (FlagGlobalConfig f)
- conv (OF_Config f) = Just (FlagConfig f)
- conv _ = Nothing
-
-
-
- let fields = [ f | OF_Field f <- clis ]
-
- let auto_ghci_libs = any isAuto clis
- where isAuto OF_AutoGHCiLibs = True; isAuto _ = False
- input_file = my_head "inp" ([ f | (OF_Input f) <- clis] ++ ["-"])
-
- force = if OF_Force `elem` clis then ForceAll else NoForce
-
- defines = [ (nm,val) | OF_DefinedName nm val <- clis ]
-
- case [ c | c <- clis, isAction c ] of
- [ OF_List ] -> listPackages new_flags Nothing Nothing
- [ OF_ListLocal ] -> listPackages new_flags Nothing Nothing
- [ OF_Add upd ] ->
- registerPackage input_file defines new_flags auto_ghci_libs upd force
- [ OF_Remove pkgid_str ] -> do
- pkgid <- readPkgId pkgid_str
- unregisterPackage pkgid new_flags
- [ OF_Show pkgid_str ]
- | null fields -> do
- pkgid <- readPkgId pkgid_str
- describePackage new_flags pkgid
- | otherwise -> do
- pkgid <- readPkgId pkgid_str
- mapM_ (describeField new_flags pkgid) fields
- _ -> do
- prog <- getProgramName
- die (usageInfo (usageHeader prog) flags)
-
-my_head :: String -> [a] -> a
-my_head s [] = error s
-my_head s (x:xs) = x
-