git-annex/Command/Help.hs
Joey Hess fa3045aa8b make "git annex help options" work outside a git repo
Option parsing for commands that run outside git repos is still screwy,
as there is no Annex monad and so the flags cannot be passed in. But,
any remaining parameters can be, which is enough for this fix.
2013-11-30 15:18:40 -04:00

66 lines
1.6 KiB
Haskell

{- git-annex command
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Help where
import Common.Annex
import Command
import qualified Command.Init
import qualified Command.Add
import qualified Command.Drop
import qualified Command.Get
import qualified Command.Move
import qualified Command.Copy
import qualified Command.Sync
import qualified Command.Whereis
import qualified Command.Fsck
import GitAnnex.Options
import System.Console.GetOpt
def :: [Command]
def = [noCommit $ noRepo startNoRepo $ dontCheck repoExists $
command "help" paramNothing seek SectionQuery "display help"]
seek :: [CommandSeek]
seek = [withWords start]
start :: [String] -> CommandStart
start params = do
liftIO $ start' params
stop
startNoRepo :: CmdParams -> IO ()
startNoRepo = start'
start' :: [String] -> IO ()
start' ["options"] = showCommonOptions
start' _ = showGeneralHelp
showCommonOptions :: IO ()
showCommonOptions = putStrLn $ usageInfo "Common options:" options
showGeneralHelp :: IO ()
showGeneralHelp = putStrLn $ unlines
[ "The most frequently used git-annex commands are:"
, unlines $ map cmdline $ concat
[ Command.Init.def
, Command.Add.def
, Command.Drop.def
, Command.Get.def
, Command.Move.def
, Command.Copy.def
, Command.Sync.def
, Command.Whereis.def
, Command.Fsck.def
]
, "Run 'git-annex' for a complete command list."
, "Run 'git-annex command --help' for help on a specific command."
, "Run `git annex help options' for a list of common options."
]
where
cmdline c = "\t" ++ cmdname c ++ "\t" ++ cmddesc c