git-annex/Command/Version.hs

48 lines
1.3 KiB
Haskell

{- git-annex command
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Version where
import Common.Annex
import Command
import qualified Build.SysConfig as SysConfig
import Annex.Version
import BuildFlags
import qualified Types.Backend as B
import qualified Types.Remote as R
import qualified Remote
import qualified Backend
def :: [Command]
def = [noCommit $ noRepo showPackageVersion $ dontCheck repoExists $
command "version" paramNothing seek SectionQuery "show version info"]
seek :: [CommandSeek]
seek = [withNothing start]
start :: CommandStart
start = do
v <- getVersion
liftIO $ do
showPackageVersion
info "local repository version" $ fromMaybe "unknown" v
info "default repository version" defaultVersion
info "supported repository versions" $
unwords supportedVersions
info "upgrade supported from repository versions" $
unwords upgradableVersions
stop
showPackageVersion :: IO ()
showPackageVersion = do
info "git-annex version" SysConfig.packageversion
info "build flags" $ unwords buildFlags
info "key/value backends" $ unwords $ map B.name Backend.list
info "remote types" $ unwords $ map R.typename Remote.remoteTypes
info :: String -> String -> IO ()
info k v = putStrLn $ k ++ ": " ++ v