{- git-annex main program
 -
 - Copyright 2010 Joey Hess <joey@kitenet.net>
 -
 - Licensed under the GNU GPL version 3 or higher.
 -}

module GitAnnex where

import System.Console.GetOpt

import Common.Annex
import qualified Git
import CmdLine
import Command
import Types.TrustLevel
import qualified Annex
import qualified Remote
import qualified Limit

import qualified Command.Add
import qualified Command.Unannex
import qualified Command.Drop
import qualified Command.Move
import qualified Command.Copy
import qualified Command.Get
import qualified Command.FromKey
import qualified Command.DropKey
import qualified Command.Reinject
import qualified Command.Fix
import qualified Command.Init
import qualified Command.Describe
import qualified Command.InitRemote
import qualified Command.Fsck
import qualified Command.Unused
import qualified Command.DropUnused
import qualified Command.Unlock
import qualified Command.Lock
import qualified Command.PreCommit
import qualified Command.Find
import qualified Command.Whereis
import qualified Command.Merge
import qualified Command.Status
import qualified Command.Migrate
import qualified Command.Uninit
import qualified Command.Trust
import qualified Command.Untrust
import qualified Command.Semitrust
import qualified Command.Dead
import qualified Command.Sync
import qualified Command.AddUrl
import qualified Command.Map
import qualified Command.Upgrade
import qualified Command.Version

cmds :: [Command]
cmds = concat
	[ Command.Add.def
	, Command.Get.def
	, Command.Drop.def
	, Command.Move.def
	, Command.Copy.def
	, Command.Unlock.def
	, Command.Lock.def
	, Command.Sync.def
	, Command.AddUrl.def
	, Command.Init.def
	, Command.Describe.def
	, Command.InitRemote.def
	, Command.Reinject.def
	, Command.Unannex.def
	, Command.Uninit.def
	, Command.PreCommit.def
	, Command.Trust.def
	, Command.Untrust.def
	, Command.Semitrust.def
	, Command.Dead.def
	, Command.FromKey.def
	, Command.DropKey.def
	, Command.Fix.def
	, Command.Fsck.def
	, Command.Unused.def
	, Command.DropUnused.def
	, Command.Find.def
	, Command.Whereis.def
	, Command.Merge.def
	, Command.Status.def
	, Command.Migrate.def
	, Command.Map.def
	, Command.Upgrade.def
	, Command.Version.def
	]

options :: [Option]
options = commonOptions ++
	[ Option ['t'] ["to"] (ReqArg setto paramRemote)
		"specify to where to transfer content"
	, Option ['f'] ["from"] (ReqArg setfrom paramRemote)
		"specify from where to transfer content"
	, Option ['N'] ["numcopies"] (ReqArg setnumcopies paramNumber)
		"override default number of copies"
	, Option [] ["trust"] (ReqArg (Remote.forceTrust Trusted) paramRemote)
		"override trust setting"
	, Option [] ["semitrust"] (ReqArg (Remote.forceTrust SemiTrusted) paramRemote)
		"override trust setting back to default"
	, Option [] ["untrust"] (ReqArg (Remote.forceTrust UnTrusted) paramRemote)
		"override trust setting to untrusted"
	, Option ['c'] ["config"] (ReqArg setgitconfig "NAME=VALUE")
		"override git configuration setting"
	, Option [] ["print0"] (NoArg (setprint0 True))
		"terminate filename with null"
	, Option ['x'] ["exclude"] (ReqArg Limit.addExclude paramGlob)
		"skip files matching the glob pattern"
	, Option ['i'] ["in"] (ReqArg Limit.addIn paramRemote)
		"skip files not present in a remote"
	, Option ['C'] ["copies"] (ReqArg Limit.addCopies paramNumber)
		"skip files with fewer copies"
	, Option ['B'] ["inbackend"] (ReqArg Limit.addInBackend paramName)
		"skip files not using a key-value backend"
	] ++ matcherOptions
	where
		setto v = Annex.changeState $ \s -> s { Annex.toremote = Just v }
		setfrom v = Annex.changeState $ \s -> s { Annex.fromremote = Just v }
		setnumcopies v = Annex.changeState $ \s -> s {Annex.forcenumcopies = readMaybe v }
		setprint0 v = Annex.changeState $ \s -> s { Annex.print0 = v }
		setgitconfig :: String -> Annex ()
		setgitconfig v = do
			newg <- inRepo $ Git.configStore v
			Annex.changeState $ \s -> s { Annex.repo = newg }

header :: String
header = "Usage: git-annex command [option ..]"

run :: [String] -> IO ()
run args = dispatch args cmds options header Git.repoFromCwd