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|
{- Assistant installation
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE CPP #-}
module Assistant.Install where
import Assistant.Common
import Assistant.Install.AutoStart
import Config.Files
import Utility.FileMode
import Utility.Shell
import Utility.Tmp
import Utility.Env
import Utility.SshConfig
#ifdef darwin_HOST_OS
import Utility.OSX
#else
import Utility.FreeDesktop
import Assistant.Install.Menu
#endif
standaloneAppBase :: IO (Maybe FilePath)
standaloneAppBase = getEnv "GIT_ANNEX_APP_BASE"
{- The standalone app does not have an installation process.
- So when it's run, it needs to set up autostarting of the assistant
- daemon, as well as writing the programFile, and putting the
- git-annex-shell and git-annex-wrapper wrapper scripts into ~/.ssh
-
- Note that this is done every time it's started, so if the user moves
- it around, the paths this sets up won't break.
-
- Nautilus hook script installation is done even for packaged apps,
- since it has to go into the user's home directory.
-}
ensureInstalled :: IO ()
ensureInstalled = go =<< standaloneAppBase
where
go Nothing = installNautilus "git-annex"
go (Just base) = do
let program = base </> "git-annex"
programfile <- programFile
createDirectoryIfMissing True (parentDir programfile)
writeFile programfile program
#ifdef darwin_HOST_OS
autostartfile <- userAutoStart osxAutoStartLabel
#else
menufile <- desktopMenuFilePath "git-annex" <$> userDataDir
icondir <- iconDir <$> userDataDir
installMenu program menufile base icondir
autostartfile <- autoStartPath "git-annex" <$> userConfigDir
#endif
installAutoStart program autostartfile
sshdir <- sshDir
let runshell var = "exec " ++ base </> "runshell " ++ var
let rungitannexshell var = runshell $ "git-annex-shell -c \"" ++ var ++ "\""
installWrapper (sshdir </> "git-annex-shell") $ unlines
[ shebang_local
, "set -e"
, "if [ \"x$SSH_ORIGINAL_COMMAND\" != \"x\" ]; then"
, rungitannexshell "$SSH_ORIGINAL_COMMAND"
, "else"
, rungitannexshell "$@"
, "fi"
]
installWrapper (sshdir </> "git-annex-wrapper") $ unlines
[ shebang_local
, "set -e"
, runshell "\"$@\""
]
installNautilus program
installWrapper :: FilePath -> String -> IO ()
installWrapper file content = do
curr <- catchDefaultIO "" $ readFileStrict file
when (curr /= content) $ do
createDirectoryIfMissing True (parentDir file)
viaTmp writeFile file content
modifyFileMode file $ addModes [ownerExecuteMode]
installNautilus :: FilePath -> IO ()
#ifdef linux_HOST_OS
installNautilus program = do
scriptdir <- (\d -> d </> "nautilus" </> "scripts") <$> userDataDir
whenM (doesDirectoryExist scriptdir) $ do
genscript scriptdir "get"
genscript scriptdir "drop"
where
genscript scriptdir action =
installscript (scriptdir </> scriptname action) $ unlines
[ shebang_local
, autoaddedcomment
, "exec " ++ program ++ " " ++ action ++ " --notify-start --notify-finish -- \"$@\""
]
scriptname action = "git-annex " ++ action
installscript f c = whenM (safetoinstallscript f) $ do
writeFile f c
modifyFileMode f $ addModes [ownerExecuteMode]
safetoinstallscript f = catchDefaultIO True $
elem autoaddedcomment . lines <$> readFileStrict f
autoaddedcomment = "# Automatically added by git-annex, do not edit. (To disable, chmod 600 this file.)"
#else
installNautilus _ = noop
#endif
{- Returns a cleaned up environment that lacks settings used to make the
- standalone builds use their bundled libraries and programs.
- Useful when calling programs not included in the standalone builds.
-
- For a non-standalone build, returns Nothing.
-}
cleanEnvironment :: IO (Maybe [(String, String)])
cleanEnvironment = clean <$> getEnvironment
where
clean env
| null vars = Nothing
| otherwise = Just $ catMaybes $ map (restoreorig env) env
| otherwise = Nothing
where
vars = words $ fromMaybe "" $
lookup "GIT_ANNEX_STANDLONE_ENV" env
restoreorig oldenv p@(k, _v)
| k `elem` vars = case lookup ("ORIG_" ++ k) oldenv of
(Just v')
| not (null v') -> Just (k, v')
_ -> Nothing
| otherwise = Just p
|
