module Propellor.Wrapper (runWrapper) where
import Propellor.DotDir
import Propellor.Message
import Propellor.Bootstrap
import Utility.Monad
import Utility.Directory
import Utility.FileMode
import Utility.Process
import Utility.Process.NonConcurrent
import Utility.FileSystemEncoding
import System.Environment (getArgs)
import System.Exit
import System.Posix
import Data.List
import Control.Monad.IfElse
import Control.Applicative
import Prelude
runWrapper :: IO ()
runWrapper :: IO ()
runWrapper = forall (m :: * -> *) a. (MonadIO m, MonadMask m) => m a -> m a
withConcurrentOutput forall a b. (a -> b) -> a -> b
$ do
IO ()
useFileSystemEncoding
[String] -> IO ()
go forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< IO [String]
getArgs
where
go :: [String] -> IO ()
go [String
"--init"] = IO ()
interactiveInit
go [String]
args = forall (m :: * -> *) a. Monad m => m Bool -> (m a, m a) -> m a
ifM IO Bool
configInCurrentWorkingDirectory
( [String] -> IO ()
buildRunConfig [String]
args
, forall (m :: * -> *) a. Monad m => m Bool -> (m a, m a) -> m a
ifM (String -> IO Bool
doesDirectoryExist forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< IO String
dotPropellor)
( do
IO ()
checkRepoUpToDate
String -> IO ()
changeWorkingDirectory forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< IO String
dotPropellor
[String] -> IO ()
buildRunConfig [String]
args
, forall a. HasCallStack => String -> a
error String
"Seems that ~/.propellor/ does not exist. To set it up, run: propellor --init"
)
)
buildRunConfig :: [String] -> IO ()
buildRunConfig :: [String] -> IO ()
buildRunConfig [String]
args = do
forall {m :: * -> *}. Monad m => m Bool -> m () -> m ()
unlessM (String -> IO Bool
doesFileExist String
"propellor") forall a b. (a -> b) -> a -> b
$ do
Maybe Host -> IO ()
buildPropellor forall a. Maybe a
Nothing
String -> IO ()
putStrLn String
""
String -> IO ()
putStrLn String
""
(Maybe Handle
_, Maybe Handle
_, Maybe Handle
_, ProcessHandle
pid) <- CreateProcess
-> IO (Maybe Handle, Maybe Handle, Maybe Handle, ProcessHandle)
createProcessNonConcurrent (String -> [String] -> CreateProcess
proc String
"./propellor" [String]
args)
forall a. ExitCode -> IO a
exitWith forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< ProcessHandle -> IO ExitCode
waitForProcessNonConcurrent ProcessHandle
pid
configInCurrentWorkingDirectory :: IO Bool
configInCurrentWorkingDirectory :: IO Bool
configInCurrentWorkingDirectory = forall (m :: * -> *) a. Monad m => m Bool -> (m a, m a) -> m a
ifM (String -> IO Bool
doesFileExist String
"config.hs")
( do
FileStatus
s <- String -> IO FileStatus
getFileStatus String
"."
UserID
uid <- IO UserID
getRealUserID
if FileStatus -> UserID
fileOwner FileStatus
s forall a. Eq a => a -> a -> Bool
/= UserID
uid
then forall {a}. String -> a
unsafe String
"you don't own the current directory"
else if FileMode -> FileMode -> Bool
checkMode FileMode
groupWriteMode (FileStatus -> FileMode
fileMode FileStatus
s)
then forall {a}. String -> a
unsafe String
"the current directory is group writable"
else if FileMode -> FileMode -> Bool
checkMode FileMode
otherWriteMode (FileStatus -> FileMode
fileMode FileStatus
s)
then forall {a}. String -> a
unsafe String
"the current directory is world-writable"
else forall (m :: * -> *) a. Monad m => m Bool -> (m a, m a) -> m a
ifM IO Bool
mentionspropellor
( forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True
, forall {a}. String -> a
notusing String
"it does not seem to be a propellor config file"
)
, forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False
)
where
unsafe :: String -> a
unsafe String
s = forall {a}. String -> a
notusing (String
s forall a. [a] -> [a] -> [a]
++ String
". This seems unsafe.")
notusing :: String -> a
notusing String
s = forall a. HasCallStack => String -> a
error forall a b. (a -> b) -> a -> b
$ String
"Not using ./config.hs because " forall a. [a] -> [a] -> [a]
++ String
s
mentionspropellor :: IO Bool
mentionspropellor = (String
"Propellor" forall a. Eq a => [a] -> [a] -> Bool
`isInfixOf`) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> String -> IO String
readFile String
"config.hs"