-- | Wrapper program for propellor distribution. -- -- Distributions should install this program into PATH. -- (Cabal builds it as dist/build/propellor/propellor). -- -- This is not the propellor main program (that's config.hs) -- -- This installs propellor's source into ~/.propellor, -- uses it to build the real propellor program (if not already built), -- and runs it. -- -- The source is cloned from /usr/src/propellor when available, -- or is cloned from git over the network. module Main where import Utility.UserInfo import Utility.Monad import Utility.Process import Utility.SafeCommand import Utility.Directory import Control.Monad import Control.Monad.IfElse import System.Directory import System.FilePath import System.Environment (getArgs) import System.Exit import System.Posix.Directory localrepo :: FilePath localrepo = "/usr/src/propellor" -- Using the github mirror of the main propellor repo because -- it is accessible over https for better security. netrepo :: String netrepo = "https://github.com/joeyh/propellor.git" main :: IO () main = do args <- getArgs home <- myHomeDir let propellordir = home ".propellor" let propellorbin = propellordir "propellor" wrapper args propellordir propellorbin wrapper :: [String] -> FilePath -> FilePath -> IO () wrapper args propellordir propellorbin = do unlessM (doesDirectoryExist propellordir) $ makeRepo buildruncfg where chain = do (_, _, _, pid) <- createProcess (proc propellorbin args) exitWith =<< waitForProcess pid makeRepo = do putStrLn $ "Setting up your propellor repo in " ++ propellordir putStrLn "" ifM (doesDirectoryExist localrepo) ( do void $ boolSystem "git" [Param "clone", File localrepo, File propellordir] setuprepo True localrepo , do void $ boolSystem "git" [Param "clone", Param netrepo, File propellordir] setuprepo False netrepo ) setuprepo fromlocalrepo repolocation = do changeWorkingDirectory propellordir whenM (doesDirectoryExist "privdata") $ mapM_ nukeFile =<< dirContents "privdata" void $ boolSystem "git" [Param "remote", Param "rm", Param "origin"] void $ boolSystem "git" [Param "remote", Param "add", Param "upstream", Param repolocation] -- Connect synthetic git repo with upstream history so -- merging with upstream will work going forward. -- Note -s ours is used to avoid getting any divergent -- changes from upstream. when (not fromlocalrepo) $ do void $ boolSystem "git" [Param "fetch", Param "upstream"] version <- readProcess "dpkg-query" ["--showformat", "${Version}", "--show", "propellor"] void $ boolSystem "git" [Param "merge", Param "-s", Param "ours", Param version] buildruncfg = do changeWorkingDirectory propellordir ifM (boolSystem "make" [Param "build"]) ( do putStrLn "" putStrLn "" chain , error "Propellor build failed." )